project tests: Always print the logs of failing tests

There is never any reason to not do this since this script is supposed
to be run by developers and testers who are concerned with the details
of the problems.

It also helps with intermittent or hard-to-reproduce errors.

run_project_tests.py

@@ -555,7 +555,7 @@ if __name__ == '__main__':
     print('\nTotal passed tests:', passing_tests)
     print('Total failed tests:', failing_tests)
     print('Total skipped tests:', skipped_tests)
-    if failing_tests > 0 and ('TRAVIS' in os.environ or 'APPVEYOR' in os.environ):
+    if failing_tests > 0:
         print('\nMesonlogs of failing tests\n')
         for l in failing_logs:
             print(l, '\n')