You want to remove the changes of a certain commit, follow these steps:
git log
This will look like:
...
commit c135432a890f38e4d240af80858a3574bca0ed29
Author: Teresa Holfeld <[email protected]>
Date: Sat Jan 19 10:54:19 2019 +0100
Copy the hash of the commit you want to remove. In this case, this would be c135432a890f38e4d240af80858a3574bca0ed29.
git revert <git hash>
In this case, this would be:
git revert c135432a890f38e4d240af80858a3574bca0ed29
This will create a new commit. This is important so that you know where in the history the commit was reverted. To approve the commit message, type:
:x