[infra] Clean-up debugging temp file quarantine issue.

Change-Id: I8004c07ce0a60ac5134ac9c871cca2a9300b3583
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/467381
Reviewed-by: Alexander Aprelev <aam@google.com>
Commit-Queue: Ryan Macnak <rmacnak@google.com>

tools/task_kill.py

@@ -37,7 +37,6 @@ EXECUTABLE_NAMES = {
         'iexplore': 'iexplore.exe',
         'vctip': 'vctip.exe',
         'mspdbsrv': 'mspdbsrv.exe',
-        'explorer': 'explorer.exe',
     },
     'linux': {
         'chrome': 'chrome',
@@ -307,20 +306,6 @@ def Main():
         status += KillVSBuild()
     if options.kill_browsers == 'True':
         status += KillBrowsers()
-    if os_name == 'win32':
-        # On Windows 11, a bunch of files accumulate in temp named `xml_file (#).xml`.
-        # These seem to be created by taskbar widgets. The swarming client is unable
-        # to delete them, presumably because Explorer normally still running. Killing
-        # Explorer should allow these files to be deleted. If it doesn't restart, it
-        # should also prevent them from being created.
-        status += Kill('explorer')
-        for path, dirs, files in os.walk(os.environ['TEMP']):
-            for filename in files:
-                print(os.path.join(path, filename))
-        for path, dirs, files in os.walk(
-                os.path.join(os.environ['LOCALAPPDATA'], 'Temp')):
-            for filename in files:
-                print(os.path.join(path, filename))
     return status