query_config: Move to programs/test

As the SSL programs, like ssl_client2 and ssl_server2, are dependent on
SSL and therefore about to be removed, the only consumer of query_config
is the query_compile_time_config test. As such, it makes sense to move
query_config to be next to what uses it.
diff --git a/scripts/generate_query_config.pl b/scripts/generate_query_config.pl
index f15e03a..d94fdad 100755
--- a/scripts/generate_query_config.pl
+++ b/scripts/generate_query_config.pl
@@ -21,7 +21,7 @@
 my $config_file = "./include/mbedtls/config.h";
 
 my $query_config_format_file = "./scripts/data_files/query_config.fmt";
-my $query_config_file = "./programs/ssl/query_config.c";
+my $query_config_file = "./programs/test/query_config.c";
 
 # Excluded macros from the generated query_config.c. For example, macros that
 # have commas or function-like macros cannot be transformed into strings easily