[Build] A couple more Python fixes.

Remove unused import of `importlib.resources`.

Set `test_linux_static` to `False` if tests are disabled.

rdar://123503470

Author: al45tair

utils/build_swift/build_swift/driver_arguments.py

@@ -205,6 +205,7 @@ def _apply_default_arguments(args):
     # If none of tests specified skip swift stdlib test on all platforms
     if not args.test and not args.validation_test and not args.long_test:
         args.test_linux = False
+        args.test_linux_static = False
         args.test_freebsd = False
         args.test_cygwin = False
         args.test_osx = False

utils/swift_build_support/swift_build_support/targets.py

@@ -9,7 +9,6 @@
 # See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
 
 import os
-import importlib.resources
 import platform
 
 from . import cmake