LibWebView: Remove the now-unused ConsoleClient

It is superseded by the Inspector's console.

Author: trflynn89

Meta/gn/secondary/Userland/Libraries/LibWebView/BUILD.gn

@@ -116,7 +116,6 @@ shared_library("LibWebView") {
     "//Userland/Libraries/LibWeb",
   ]
   sources = [
-    "ConsoleClient.cpp",
     "CookieJar.cpp",
     "Database.cpp",
     "History.cpp",

Userland/Libraries/LibWebView/CMakeLists.txt

@@ -1,7 +1,6 @@
 include(${SerenityOS_SOURCE_DIR}/Meta/CMake/public_suffix.cmake)
 
 set(SOURCES
-    ConsoleClient.cpp
     CookieJar.cpp
     Database.cpp
     History.cpp

Userland/Libraries/LibWebView/ConsoleClient.cpp

@@ -10,7 +10,6 @@
 
 namespace WebView {
 
-class ConsoleClient;
 class CookieJar;
 class Database;
 class History;