Meta: Port recent changes to the GN build

6dfb2f9dc87982b32750643c32c6f26e9144eea8

Meta/gn/secondary/Ladybird/BUILD.gn

@@ -56,7 +56,6 @@ executable("ladybird_executable") {
     "SQLServer",
     "WebContent",
     "WebDriver",
-    "WebSocket",
     "WebWorker",
   ]
   deps = [
@@ -325,7 +324,6 @@ if (current_os != "mac") {
       "SQLServer",
       "WebContent",
       "WebDriver",
-      "WebSocket",
       "WebWorker",
     ]
     sources = [

Meta/gn/secondary/Ladybird/WebContent/BUILD.gn

@@ -68,7 +68,6 @@ executable("WebContent") {
       "//Ladybird/Qt/EventLoopImplementationQtEventTarget.cpp",
       "//Ladybird/Qt/RequestManagerQt.cpp",
       "//Ladybird/Qt/StringUtils.cpp",
-      "//Ladybird/Qt/WebSocketClientManagerQt.cpp",
       "//Ladybird/Qt/WebSocketImplQt.cpp",
       "//Ladybird/Qt/WebSocketQt.cpp",
     ]