Drop removed buddypress patch

composer.patches.json

@@ -32,7 +32,6 @@
         },
 	"wpackagist-plugin/buddypress": {
 	    "Disable gravatar": "patches/buddypress/0053-Patch-buddypress.patch",
-	    "Use buddypress avatars if possible": "patches/buddypress/0092-buddypress-override-some-avatar-functions.patch",
 	    "Force https on buddypress login redirect": "patches/buddypress/0147-forced-https-on-buddypress-login-redirect.patch"
 	},
         "wpackagist-plugin/wp-piwik": {