1. Right click on the commit you like to reset to (not the one you like to delete!)
2. Select "Reset master to this commit"
3. Select "Soft" reset.

A soft reset will keep your local changes.

Source: https://answers.atlassian.com/questions/153791/how-should-i-remove-push-commit-from-sourcetree

Edit

About git revert: This command creates a new commit which will undo other commits. E.g. if you have a commit which adds a new file, git revert could be used to make a commit which will delete the new file.

About applying a soft reset: Assume you have the commits A to E (A---B---C---D---E) and you like to delete the last commit (E). Then you can do a soft reset to commit D. With a soft reset commit E will be deleted from git but the local changes will be kept. There are more examples in the git reset documentation.

What exactly do you mean by revert?

You can commit a reverse commit by rightclicking on a commit and selecting Reverse commit. This will effectively create a new commit that negates the changes you made in your selected commit. The commit with the changes you negated will still exist.

You can checkout an earlier commit by doubleclicking on an earlier commit or rightclicking and selecting checkout. This will change your code to the state it was for your selected commit, so without the changes from later commits. The commit with the changes you negated will still exist.

You can reset to an earlier commit. This will remove the commit with the changes you want to negate. (They can normally still be recovered using the reflog)

You have fixed this issue locally. You need to push these changes to the remote repository, and then anyone who has already pulled these changes into their local branch must reset their local branch as well.

If you push normally, it will fail because you are pushing something which does not move the remote branch forward. To override this, use the --force-with-lease option when pushing develop.

When you push a commit, the safest way to revert it (rather than forcing the push with -f) is to use the revert function, so a new commit is created on top of your previous commit.

This is possible to do using Sourcetree, right clicking in the commit that you want to revert, and selecting "Reverse commit...".

You would need to do this for each commit you want to revert, in reverse order.

To remove the commit without changing any source code, you need to perform a "mixed" reset.

Right click on the last "good" commit (this will probably be origin/master). Select "Reset current branch to this commit."

In the resulting dialog, select "Mixed..." from the drop down and click OK.

Your working copy will remain the same (no files will be changed) but the index will be reset, meaning that all commits after the selected one will be removed from your history.