[refactoring][QotdConnectedHandler]: Remove redundant keep-alive and Nagle's algorithm configuration from QOTD connection.

- A connection to the QOTD server only receives data, and the server closes the connection after transmission.
- No need to configure keep-alive or Nagle's algorithm for this connection.
- Simplified QotdConnectedHandler to reflect protocol requirements.

Signed-off-by: Goran Mišković <[email protected]>

Author: schkovich

src/QotdConnectedHandler.cpp

@@ -36,9 +36,8 @@ namespace e5 {
      * like printing.
      */
     void QotdConnectedHandler::onWork() {
-        // Configure connection parameters
-        m_io.keepAlive();
-        m_io.setNoDelay(true); // Disable Nagle's algorithm for lower latency
+        // No need to configure keep-alive or Nagle's algorithm for QOTD connection
+        // (keep-alive is disabled by default, and there are no writes)
 
         auto notify_connect = std::make_unique<std::string>(
             std::string("QOTD client connected. Local IP: ")