Move version entry point into MODULE_INFO

The MODULE_INFO can easily hold the version information of the
module. This removes the need for a explicit version entry point.

server/modules/protocol/MySQL/MySQLClient/mysql_client.c

@@ -69,12 +69,11 @@ MODULE_INFO info =
     MODULE_API_PROTOCOL,
     MODULE_GA,
     GWPROTOCOL_VERSION,
-    "The client to MaxScale MySQL protocol implementation"
+    "The client to MaxScale MySQL protocol implementation",
+    "V1.1.0"
 };
 /*lint +e14*/
 
-static char *version_str = "V1.1.0";
-
 static int gw_MySQLAccept(DCB *listener);
 static int gw_MySQLListener(DCB *listener, char *config_bind);
 static int gw_read_client_event(DCB* dcb);
@@ -115,20 +114,6 @@ static GWPROTOCOL MyObject =
     gw_connection_limit                     /* Send error connection limit   */
 };
 
-/**
- * Implementation of the mandatory version entry point
- *
- * @return version string of the module
- *
- * @see function load_module in load_utils.c for explanation of the following
- * lint directives.
- */
-/*lint -e14 */
-char* version()
-{
-    return version_str;
-}
-
 /**
  * The module initialisation routine, called when the module
  * is first loaded.