fix: rename patch file to .patch to conform to naming standard which utilizes .gitattributes settings (#32346)

* Rename patch file to .patch to conform to naming standard which utilizes .gitattributes settings

* chore: remove backported patches

* chore: rename patch (don't re-add)

Co-authored-by: stsean <stsean@justin.tv>
Co-authored-by: Keeley Hammond <vertedinde@electronjs.org>

patches/chromium/.patches

@@ -107,7 +107,7 @@ fix_media_key_usage_with_globalshortcuts.patch
 cherry-pick-ec42dfd3545f.patch
 cherry-pick-39090918efac.patch
 add_ui_scopedcliboardwriter_writeunsaferawdata.patch
-mas_gate_private_enterprise_APIs
+mas_gate_private_enterprise_APIs.patch
 cherry-pick-8af66de55aad.patch
 cherry-pick-c69dddfe1cde.patch
 cherry-pick-2e7c9b33453b.patch