LibWeb+WebContent: Remove old console-logging IPC calls

This patch removes the following WebContent IPC calls, which are no
longer used:

- `Server::js_console_initialize()`
- `Client::did_js_console_output()`

Userland/Services/WebContent/ClientConnection.cpp

@@ -270,19 +270,6 @@ Messages::WebContentServer::GetHoveredNodeIdResponse ClientConnection::get_hover
     return (i32)0;
 }
 
-void ClientConnection::js_console_initialize()
-{
-    if (auto* document = page().top_level_browsing_context().document()) {
-        auto interpreter = document->interpreter().make_weak_ptr();
-        if (m_interpreter.ptr() == interpreter.ptr())
-            return;
-
-        m_interpreter = interpreter;
-        m_console_client = make<WebContentConsoleClient>(interpreter->global_object().console(), interpreter, *this);
-        interpreter->global_object().console().set_client(*m_console_client.ptr());
-    }
-}
-
 void ClientConnection::initialize_js_console(Badge<PageHost>)
 {
     auto* document = page().top_level_browsing_context().document();

Userland/Services/WebContent/ClientConnection.h

@@ -55,7 +55,6 @@ private:
     virtual Messages::WebContentServer::InspectDomNodeResponse inspect_dom_node(i32) override;
     virtual Messages::WebContentServer::GetHoveredNodeIdResponse get_hovered_node_id() override;
 
-    virtual void js_console_initialize() override;
     virtual void js_console_input(String const&) override;
     virtual void run_javascript(String const&) override;
     virtual void js_console_request_messages(i32) override;

Userland/Services/WebContent/WebContentClient.ipc

@@ -29,7 +29,6 @@ endpoint WebContentClient
     did_get_source(URL url, String source) =|
     did_get_dom_tree(String dom_tree) =|
     did_get_dom_node_properties(i32 node_id, String specified_style, String computed_style) =|
-    did_js_console_output(String method, String line) =|
     did_change_favicon(Gfx::ShareableBitmap favicon) =|
     did_request_cookie(URL url, u8 source) => (String cookie)
     did_set_cookie(URL url, Web::Cookie::ParsedCookie cookie, u8 source) =|

Userland/Services/WebContent/WebContentServer.ipc

@@ -29,7 +29,6 @@ endpoint WebContentServer
     inspect_dom_tree() =|
     inspect_dom_node(i32 node_id) => (bool has_style, String specified_style, String computed_style)
     get_hovered_node_id() => (i32 node_id)
-    js_console_initialize() =|
     js_console_input(String js_source) =|
     js_console_request_messages(i32 start_index) =|