Everywhere: Clean up AD-HOC and FIXME comments without colons

Author: https://github.com/Psychpsyo
Commit: 100f37995f
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/6810

Libraries/LibWebSocket/WebSocket.cpp

@@ -279,7 +279,7 @@ void WebSocket::read_server_handshake()
         }
         if (parts[1] != "101") {
             // 1. If the status code is not 101, handle as per HTTP procedures.
-            // FIXME : This could be a redirect or a 401 authentication request, which we do not handle.
+            // FIXME: This could be a redirect or a 401 authentication request, which we do not handle.
             fail_opening_handshake(ByteString::formatted("Server HTTP Handshake return status {} which isn't supported", parts[1]));
             return;
         }