Breaking: #69904 - Remove Setting diff_path from DefaultConfiguration¶
Creating a diff view of text has been replaced with a PHP library instead of using
diff on the command line.
Thus we no longer need to be able to configure the path.
[BE][diff_path] will no longer have any effect.
Any Installation that had to define a path different than
Delete the line from LocalConfiguration.php if the UpgradeWizard should fail to do so.