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/programs/ssl/CMakeLists.txt b/programs/ssl/CMakeLists.txt
index 803920c..f28a47d 100644
--- a/programs/ssl/CMakeLists.txt
+++ b/programs/ssl/CMakeLists.txt
@@ -34,14 +34,14 @@
 target_link_libraries(ssl_client1 ${libs})
 
 add_executable(ssl_client2 ssl_client2.c)
-target_sources(ssl_client2 PUBLIC query_config.c)
+target_sources(ssl_client2 PUBLIC ../test/query_config.c)
 target_link_libraries(ssl_client2 ${libs})
 
 add_executable(ssl_server ssl_server.c)
 target_link_libraries(ssl_server ${libs})
 
 add_executable(ssl_server2 ssl_server2.c)
-target_sources(ssl_server2 PUBLIC query_config.c)
+target_sources(ssl_server2 PUBLIC ../test/query_config.c)
 target_link_libraries(ssl_server2 ${libs})
 
 add_executable(ssl_fork_server ssl_fork_server.c)