How to remove submodule changes from a git commit?

@darrion.kuhn 

If you have made changes to a submodule that you want to remove from a Git commit, you can use the following steps:

1. Reset the submodule to the last commit:

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git submodule update -- init
git submodule foreach git reset --hard

1. Check the submodule status to ensure changes are removed:

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git submodule status

1. Add the submodule changes to the staging area:

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git add <submodule_path>

1. Commit the changes without the submodule changes:

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git commit -m "Commit message without submodule changes"