Remove -Werror

https://bugs.gentoo.org/970841

--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -219,20 +219,6 @@ target_compile_options(unit_tests PRIVATE
     $<$<CXX_COMPILER_ID:MSVC>: /EHsc /MP /bigobj /W4>
 )
 
-if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU" AND CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL "8.0")
-    message(STATUS Version " ${CMAKE_CXX_COMPILER_VERSION}")
-    # older GCC versions don't support 
-   target_compile_options(unit_tests PRIVATE
-       $<$<CXX_COMPILER_ID:GNU>:-Werror=maybe-uninitialized -Wnon-virtual-dtor -Werror=free-nonheap-object -Werror=stringop-overflow -Werror -Wall -Wextra -Wcast-align -Wcast-qual -Wimplicit-fallthrough -Wsign-compare -pedantic -Wnonnull -Wnull-dereference -Werror=nonnull>
-   )
-endif()
-
-if (NOT CMAKE_SYSTEM_NAME STREQUAL Windows)
-target_compile_options(unit_tests PRIVATE
-    $<$<CXX_COMPILER_ID:Clang>:-Werror=uninitialized -Werror -Wall -Wextra -Wimplicit-fallthrough -Wcast-align -Wcast-qual -Wsign-compare -pedantic>
-)
-endif()
-
 add_test(NAME unit_tests COMMAND unit_tests WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}/test)
 
 target_include_directories (unit_tests