Fix #8239: Remove hard coded YouTube script

Package.swift

@@ -433,7 +433,6 @@ var braveTarget: PackageDescription.Target = .target(
     .copy("Frontend/UserContent/UserScripts/Scripts_Dynamic/Scripts/DomainSpecific/Paged/nacl.min.js"),
     .copy("Frontend/UserContent/UserScripts/Scripts_Dynamic/Scripts/DomainSpecific/Paged/PlaylistFolderSharingScript.js"),
     .copy("Frontend/UserContent/UserScripts/Scripts_Dynamic/Scripts/DomainSpecific/Paged/FrameCheckWrapper.js"),
-    .copy("Frontend/UserContent/UserScripts/Scripts_Dynamic/Scripts/DomainSpecific/Paged/YoutubeAdblock.js"),
     .copy("Frontend/UserContent/UserScripts/Scripts_Dynamic/Scripts/Paged/CookieControlScript.js"),
     .copy("Frontend/UserContent/UserScripts/Scripts_Dynamic/Scripts/Paged/FarblingProtectionScript.js"),
     .copy("Frontend/UserContent/UserScripts/Scripts_Dynamic/Scripts/Paged/MediaBackgroundingScript.js"),

Sources/Brave/Frontend/Browser/DomainUserScript.swift

@@ -15,7 +15,6 @@ enum DomainUserScript: CaseIterable {
 #endif
   case braveSkus
   case bravePlaylistFolderSharingHelper
-  case youtubeAdblock
 
   /// Initialize this script with a URL
   init?(for url: URL) {
@@ -55,8 +54,6 @@ enum DomainUserScript: CaseIterable {
       return Set(["account.brave.com",
                    "account.bravesoftware.com",
                    "account.brave.software"])
-    case .youtubeAdblock:
-      return Set(["youtube.com"])
     }
   }
 
@@ -70,8 +67,6 @@ enum DomainUserScript: CaseIterable {
     case .braveTalkHelper:
       return nil
 #endif
-    case .youtubeAdblock:
-      return .AdblockAndTp
     }
   }
 }

Sources/Brave/Frontend/Browser/User Scripts/ScriptFactory.swift

@@ -88,10 +88,6 @@ class ScriptFactory {
       }
 
       return script
-
-    case .youtubeAdblock:
-      let source = try makeScriptSource(of: .youtubeAdblock)
-      return WKUserScript(source: source, injectionTime: .atDocumentStart, forMainFrameOnly: false, in: .page)
     }
   }
 

Sources/Brave/Frontend/Browser/User Scripts/ScriptSourceType.swift

@@ -22,16 +22,13 @@ enum ScriptSourceType {
   /// This script is a modification of the android and desktop script found here:
   /// https://github.com/brave/brave-core/blob/master/components/cosmetic_filters/resources/data/content_cosmetic.ts
   case selectorsPoller
-  /// A script for blocking youtube ads
-  case youtubeAdblock
 
   var fileName: String {
     switch self {
     case .nacl: return "nacl.min"
     case .farblingProtection: return "FarblingProtectionScript"
     case .frameCheckWrapper: return "FrameCheckWrapper"
     case .selectorsPoller: return "SelectorsPollerScript"
-    case .youtubeAdblock: return "YoutubeAdblock"
     }
   }