fix: remove CONFIG_ID write from build_data_writer.ps1 (bazel-contrib#3556)

Follow up from bazel-contrib#3553
[comment](bazel-contrib#3553 (comment))
- removes extraneous CONFIG_ID write from build_data_writer.ps1 script.

Author: vadikmironov

python/private/build_data_writer.ps1

@@ -1,7 +1,6 @@
 $OutputPath = $env:OUTPUT
 
 Add-Content -Path $OutputPath -Value "TARGET $env:TARGET"
-Add-Content -Path $OutputPath -Value "CONFIG_ID $env:CONFIG_ID"
 Add-Content -Path $OutputPath -Value "CONFIG_MODE $env:CONFIG_MODE"
 Add-Content -Path $OutputPath -Value "STAMPED $env:STAMPED"