/usr/share/cli-common/gac-remove is in cli-common 0.9.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16  | #!/bin/bash
if [ ! -x /usr/share/cli-common/runtimes.d/$1 ]; then
    echo ! Cannot remove GAC $1
    exit 1
fi
echo "* Removing packages from $1"
for file in /usr/share/cli-common/packages.d/*.installcligac
do
  if [ -f $file ]; then
      /usr/share/cli-common/runtimes.d/$1 remove \
	  $(basename $file .installcligac)
  fi
done
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