removing comments

Author: avilevy18

kokoro/scripts/build/signing/sign.ps1

@@ -1,18 +1,3 @@
-@REM Copyright 2025 Google LLC
-@REM
-@REM Licensed under the Apache License, Version 2.0 (the "License");
-@REM you may not use this file except in compliance with the License.
-@REM You may obtain a copy of the License at
-@REM
-@REM     http://www.apache.org/licenses/LICENSE-2.0
-@REM
-@REM Unless required by applicable law or agreed to in writing, software
-@REM distributed under the License is distributed on an "AS IS" BASIS,
-@REM WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-@REM See the License for the specific language governing permissions and
-@REM limitations under the License.
-
-@REM Copy input directory into the artifacts directory recursively.
 robocopy "%KOKORO_GFILE_DIR%"\result "%KOKORO_ARTIFACTS_DIR%"\result /E
 
 Set-Location "%KOKORO_ARTIFACTS_DIR%"\result