Revert commits accidentally pushed to main

Revert "Add bridged share button to board and card permas"
This reverts commit 069e165b43.

Revert "Move helper to bridge helper file"
This reverts commit 1ee37f046c.

app/javascript/controllers/bridge/share_controller.js

@@ -1,45 +0,0 @@
-import { BridgeComponent } from "@hotwired/hotwire-native-bridge"
-
-export default class extends BridgeComponent {
-  static component = "share"
-
-  share() {
-    const type = this.bridgeElement.bridgeAttribute("share-type")
-    switch (type) {
-      case "card-url":
-        this.send("shareCardUrl", this.#data(type))
-        break
-      default:
-        this.send("shareUrl", this.#data(type))
-    }
-  }
-
-  #data(type) {
-    return {
-      title: document.title,
-      url: window.location.href,
-      ...this.#additionalDataFor(type)
-    }
-  }
-
-  #additionalDataFor(type) {
-    switch (type) {
-      case "card-url":
-        return {
-          author: this.#author,
-          dateAdded: this.#dateAdded
-        }
-      default:
-        return null
-    }
-  }
-
-  get #author() {
-    return document.querySelector(".card__meta-text--author strong")?.textContent?.trim() ?? null
-  }
-
-  get #dateAdded() {
-    const timestamp = document.querySelector(".card__meta-text--added time")?.dateTime
-    return parseInt(timestamp) || null
-  }
-}