RequestServer: Remove unnecessary greet() message

Userland/Libraries/LibProtocol/RequestClient.cpp

@@ -18,7 +18,6 @@ RequestClient::RequestClient()
 
 void RequestClient::handshake()
 {
-    greet();
 }
 
 template<typename RequestHashMapTraits>

Userland/Services/RequestServer/ClientConnection.cpp

@@ -99,10 +99,6 @@ void ClientConnection::did_request_certificates(Badge<Request>, Request& request
     async_certificate_requested(request.id());
 }
 
-void ClientConnection::greet()
-{
-}
-
 Messages::RequestServer::SetCertificateResponse ClientConnection::set_certificate(i32 request_id, String const& certificate, String const& key)
 {
     auto* request = const_cast<Request*>(m_requests.get(request_id).value_or(nullptr));

Userland/Services/RequestServer/ClientConnection.h

@@ -30,7 +30,6 @@ public:
     void did_request_certificates(Badge<Request>, Request&);
 
 private:
-    virtual void greet() override;
     virtual Messages::RequestServer::IsSupportedProtocolResponse is_supported_protocol(String const&) override;
     virtual Messages::RequestServer::StartRequestResponse start_request(String const&, URL const&, IPC::Dictionary const&, ByteBuffer const&) override;
     virtual Messages::RequestServer::StopRequestResponse stop_request(i32) override;

Userland/Services/RequestServer/RequestServer.ipc

@@ -1,8 +1,5 @@
 endpoint RequestServer
 {
-    // Basic protocol
-    greet() => ()
-
     // Test if a specific protocol is supported, e.g "http"
     is_supported_protocol(String protocol) => (bool supported)