Remove compatibility CTest code.
Merge topic 'remove-compatibility-ctest' into next

4b67c4b9 Remove compatibility CTest code.
Revert "Tests: Don't run fortran tests when using Ninja."

This reverts commit 5c75f99533d9e00197c63e7fa348cf921c49c825.
Revert "Tests: Pass the CTEST_MAKE_PROGRAM to the ExportImport test."

This reverts commit 47cee699ccad40cd861fdb213fc9908091b6849a.
Merge topic 'tests-alternative-generator' into next

4f8af979 Revert "Tests: Pass the CTEST_MAKE_PROGRAM to the ExportImport test."
ad284367 Revert "Tests: Don't run fortran tests when using Ninja."