Remove test-ref-configs.pl, which no longer does anything

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
diff --git a/tests/scripts/basic-in-docker.sh b/tests/scripts/basic-in-docker.sh
index 3aca3a1..81ee8d6 100755
--- a/tests/scripts/basic-in-docker.sh
+++ b/tests/scripts/basic-in-docker.sh
@@ -31,7 +31,6 @@
     run_in_docker programs/test/selftest
     run_in_docker -e OSSL_NO_DTLS=1 tests/compat.sh
     run_in_docker tests/ssl-opt.sh -e '\(DTLS\|SCSV\).*openssl'
-    run_in_docker tests/scripts/test-ref-configs.pl
     run_in_docker tests/scripts/depends.py curves
     run_in_docker tests/scripts/depends.py kex
 done
diff --git a/tests/scripts/components-configuration.sh b/tests/scripts/components-configuration.sh
index 3a75c4c..559f353 100644
--- a/tests/scripts/components-configuration.sh
+++ b/tests/scripts/components-configuration.sh
@@ -129,21 +129,6 @@
     tests/context-info.sh
 }
 
-component_test_ref_configs () {
-    msg "test/build: ref-configs (ASan build)" # ~ 6 min 20s
-    # test-ref-configs works by overwriting mbedtls_config.h; this makes cmake
-    # want to re-generate generated files that depend on it, quite correctly.
-    # However this doesn't work as the generation script expects a specific
-    # format for mbedtls_config.h, which the other files don't follow. Also,
-    # cmake can't know this, but re-generation is actually not necessary as
-    # the generated files only depend on the list of available options, not
-    # whether they're on or off. So, disable cmake's (over-sensitive here)
-    # dependency resolution for generated files and just rely on them being
-    # present (thanks to pre_generate_files) by turning GEN_FILES off.
-    CC=$ASAN_CC cmake -D GEN_FILES=Off -D CMAKE_BUILD_TYPE:String=Asan .
-    tests/scripts/test-ref-configs.pl
-}
-
 component_test_full_cmake_clang () {
     msg "build: cmake, full config, clang" # ~ 50s
     scripts/config.py full
diff --git a/tests/scripts/test-ref-configs.pl b/tests/scripts/test-ref-configs.pl
deleted file mode 100755
index 2e97510..0000000
--- a/tests/scripts/test-ref-configs.pl
+++ /dev/null
@@ -1,136 +0,0 @@
-#!/usr/bin/env perl
-
-# test-ref-configs.pl
-#
-# Copyright The Mbed TLS Contributors
-# SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
-#
-# Purpose
-#
-# For each reference configuration file in the configs directory, build the
-# configuration, run the test suites and compat.sh
-#
-# Usage: tests/scripts/test-ref-configs.pl [config-name [...]]
-
-use warnings;
-use strict;
-
-my %configs = (
-);
-
-# If no config-name is provided, use all known configs.
-# Otherwise, use the provided names only.
-my @configs_to_test = sort keys %configs;
-if ($#ARGV >= 0) {
-    foreach my $conf_name ( @ARGV ) {
-        if( ! exists $configs{$conf_name} ) {
-            die "Unknown configuration: $conf_name\n";
-        }
-    }
-    @configs_to_test = @ARGV;
-}
-
--d 'library' && -d 'include' && -d 'tests' or die "Must be run from root\n";
-
-my $config_h = 'include/mbedtls/mbedtls_config.h';
-
-system( "cp $config_h $config_h.bak" ) and die;
-sub abort {
-    system( "mv $config_h.bak $config_h" ) and warn "$config_h not restored\n";
-    # use an exit code between 1 and 124 for git bisect (die returns 255)
-    warn $_[0];
-    exit 1;
-}
-
-# Create a seedfile for configurations that enable MBEDTLS_ENTROPY_NV_SEED.
-# For test purposes, this doesn't have to be cryptographically random.
-if (!-e "tests/seedfile" || -s "tests/seedfile" < 64) {
-    local *SEEDFILE;
-    open SEEDFILE, ">tests/seedfile" or die;
-    print SEEDFILE "*" x 64 or die;
-    close SEEDFILE or die;
-}
-
-sub perform_test {
-    my $conf_file = $_[0];
-    my $data = $_[1];
-    my $test_with_psa = $_[2];
-
-    my $conf_name = $conf_file;
-    if ( $test_with_psa )
-    {
-        $conf_name .= "+PSA";
-    }
-
-    system( "cp $config_h.bak $config_h" ) and die;
-    system( "make clean" ) and die;
-
-    print "\n******************************************\n";
-    print "* Testing configuration: $conf_name\n";
-    print "******************************************\n";
-
-    $ENV{MBEDTLS_TEST_CONFIGURATION} = $conf_name;
-
-    system( "cp configs/$conf_file $config_h" )
-        and abort "Failed to activate $conf_file\n";
-
-    if ( $test_with_psa )
-    {
-        system( "scripts/config.py set MBEDTLS_PSA_CRYPTO_C" );
-        system( "scripts/config.py set MBEDTLS_USE_PSA_CRYPTO" );
-    }
-
-    system( "CFLAGS='-Os -Werror -Wall -Wextra' make" ) and abort "Failed to build: $conf_name\n";
-    system( "make test" ) and abort "Failed test suite: $conf_name\n";
-
-    my $compat = $data->{'compat'};
-    if( $compat )
-    {
-        print "\nrunning compat.sh $compat ($conf_name)\n";
-        system( "tests/compat.sh $compat" )
-            and abort "Failed compat.sh: $conf_name\n";
-    }
-    else
-    {
-        print "\nskipping compat.sh ($conf_name)\n";
-    }
-
-    my $opt = $data->{'opt'};
-    if( $opt )
-    {
-        if( $data->{'opt_needs_debug'} )
-        {
-            print "\nrebuilding with debug traces for ssl-opt ($conf_name)\n";
-            $conf_name .= '+DEBUG';
-            $ENV{MBEDTLS_TEST_CONFIGURATION} = $conf_name;
-            system( "make clean" );
-            system( "scripts/config.py set MBEDTLS_DEBUG_C" );
-            system( "scripts/config.py set MBEDTLS_ERROR_C" );
-            system( "CFLAGS='-Os -Werror -Wall -Wextra' make" ) and abort "Failed to build: $conf_name\n";
-        }
-
-        print "\nrunning ssl-opt.sh $opt ($conf_name)\n";
-        system( "tests/ssl-opt.sh $opt" )
-            and abort "Failed ssl-opt.sh: $conf_name\n";
-    }
-    else
-    {
-        print "\nskipping ssl-opt.sh ($conf_name)\n";
-    }
-}
-
-foreach my $conf ( @configs_to_test ) {
-    system("grep '//#define MBEDTLS_USE_PSA_CRYPTO' configs/$conf > /dev/null");
-    die "grep ... configs/$conf: $!" if $? != 0 && $? != 0x100;
-    my $test_with_psa = $? == 0;
-
-    if ( $test_with_psa )
-    {
-        perform_test( $conf, $configs{$conf}, $test_with_psa );
-    }
-    perform_test( $conf, $configs{$conf}, 0 );
-}
-
-system( "mv $config_h.bak $config_h" ) and warn "$config_h not restored\n";
-system( "make clean" );
-exit 0;