Revert "packit: exclude non "-O2" builds"

This reverts commit 8143caf.

Author: mr-c

.packit/ci.sh

@@ -108,10 +108,10 @@ IGNORE_EXIT_STATUS=
 #            If the test passes unexpectedly, it fails as exit status non-zero.
 #
 # Set the default behavior for each test.
-MATRIX_DEFAULT_GCC_DEFAULT="exclude"
+MATRIX_DEFAULT_GCC_DEFAULT="include"
 MATRIX_DEFAULT_GCC_O2="include"
 MATRIX_DEFAULT_GCC_RPM="exclude"
-MATRIX_DEFAULT_CLANG_DEFAULT="exclude"
+MATRIX_DEFAULT_CLANG_DEFAULT="include"
 MATRIX_DEFAULT_CLANG_O2="include"
 MATRIX_DEFAULT_CLANG_RPM="exclude"
 # Set the CPU specific behavior for each test optionally.