pw_env_setup: Remove transitional handler

Bug: 103
Change-Id: Ifc41f356876a50f0afd6e1076ccbd1b9ecde36f1
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/46040
Commit-Queue: Rob Mohr <mohrr@google.com>
Reviewed-by: Keir Mierle <keir@google.com>
diff --git a/pw_env_setup/py/pw_env_setup/cipd_setup/update.py b/pw_env_setup/py/pw_env_setup/cipd_setup/update.py
index 922d589..41b5b0e 100755
--- a/pw_env_setup/py/pw_env_setup/cipd_setup/update.py
+++ b/pw_env_setup/py/pw_env_setup/cipd_setup/update.py
@@ -26,7 +26,6 @@
 import os
 import platform
 import re
-import shutil
 import subprocess
 import sys
 import tempfile
@@ -172,10 +171,6 @@
     with open(package_file, 'r') as ins:
         packages = json.load(ins)
 
-    # TODO(pwbug/103) Remove 30 days after bug fixed.
-    if os.path.isdir(ensure_file):
-        shutil.rmtree(ensure_file)
-
     with open(ensure_file, 'w') as outs:
         outs.write('$VerifiedPlatform linux-amd64\n'
                    '$VerifiedPlatform mac-amd64\n'