Revert "Resolve old bot's connection state issues (#917)" (#949)

This reverts commit bee4b47b07.

plugins/include/amxmodx.inc

@@ -943,32 +943,12 @@ native is_user_authorized(index);
  *       1 to MaxClients range. That means you can safely use this native
  *       without manually verifying that the index is a valid client index.
  *
- * @note Due back-compatibility return's true after bot proceed client_connect
- *       stage (when bot's pdata isn't created yet).
- *
- * @note Use is_user_connected_ex to check player against real connection state
- * 
  * @param index     Client index
  *
  * @return          1 if client is connected, 0 otherwise
- *                  always returns 1 if bot passed client_connect stage
  */
 native is_user_connected(index);
 
-/**
- *
- * Returns if the client is fully connected (proceed client_putinserver state).
- *
- * @note This does not throw an error if the provided index is out of the
- *       1 to MaxClients range. That means you can safely use this native
- *       without manually verifying that the index is a valid client index.
- *
- * @param index     Client index
- *
- * @return          1 if bot is connected, 0 otherwise
- */
-native is_user_connected_ex(const index);
-
 /**
  * Returns if the client is connecting.
  *