Remove unused BridgeElement extensions.

app/javascript/initializers/bridge/bridge_element.js

@@ -1,17 +1,5 @@
 import { BridgeElement } from "@hotwired/hotwire-native-bridge"
 
-BridgeElement.prototype.isDisplayedOnPlatform = function() {
-  return !this.hasClass("hide-on-native")
-}
-
-BridgeElement.prototype.showOnPlatform = function() {
-  this.element.classList.remove("hide-on-native")
-}
-
-BridgeElement.prototype.hideOnPlatform = function() {
-  this.element.classList.add("hide-on-native")
-}
-
 BridgeElement.prototype.getButton = function() {
   return {
     title: this.title,
@@ -28,8 +16,3 @@ BridgeElement.prototype.getIcon = function() {
 
   return null
 }
-
-
-BridgeElement.prototype.displaysNavButtonMenu = function() {
-  return this.bridgeAttribute("displays-nav-button-menu") === "true"
-}