Revert of Make get_compile_targets.py work on Windows (patchset #1 id:1 of...

Revert of Make get_compile_targets.py work on Windows (patchset #1 id:1 of https://codereview.chromium.org/671513014/)

Reason for revert:
windows trybots broken

please be around after landing changes and verify that bots are working

Original issue's description:
> Make get_compile_targets.py work on Windows
>
> BUG=422235
> R=bartfab@chromium.org
>
> Committed: https://chromium.googlesource.com/chromium/src/+/9f8fcc9bf8f8a47ce9178f2d8b4a9459f7063b1d

TBR=bartfab@chromium.org,phajdan.jr@chromium.org
NOTREECHECKS=true
NOTRY=true
BUG=422235

Review URL: https://codereview.chromium.org/676443002

Cr-Commit-Position: refs/heads/master@{#300686}

testing/scripts/get_compile_targets.py

@@ -32,7 +32,7 @@ def main(argv):
 
     with common.temporary_file() as tempfile_path:
       rc = common.run_command(
-          [sys.executable, os.path.join(common.SCRIPT_DIR, filename)] +
+          [os.path.join(common.SCRIPT_DIR, filename)] +
           passthrough_args +
           [
               'compile_targets',