Firefox 132 removes user-modified property (#24593)

* added the version removed for user-modified property

* removed the scheduled to be removed note

* removed notes array as single note

css/properties/user-modify.json

@@ -17,11 +17,9 @@
             "firefox": {
               "prefix": "-moz-",
               "version_added": "1",
+              "version_removed": "132",
               "partial_implementation": true,
-              "notes": [
-                "While the CSS property is parsed and accepted, it does not have any effect.",
-                "Scheduled for removal (see <a href='https://bugzil.la/1388910'>bug 1388910</a>)."
-              ]
+              "notes": "While the CSS property is parsed and accepted, it does not have any effect."
             },
             "firefox_android": "mirror",
             "ie": {