include/maxscale/gw.h removed.

In a subsequent change, the includes of server/core/*.c will be
cleaned up, and if there is a common set of include files, needed
by most, then a server/core/maxscale/core.h that includes those
will be introduced.

server/modules/protocol/MySQL/MySQLBackend/mysql_backend.c

@@ -16,7 +16,6 @@
 #include <maxscale/modutil.h>
 #include <maxscale/utils.h>
 #include <netinet/tcp.h>
-#include <maxscale/gw.h>
 #include <mysqld_error.h>
 
 /*

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

@@ -52,7 +52,6 @@
 #include <mysql_auth.h>
 #include <maxscale/gw_ssl.h>
 #include <maxscale/poll.h>
-#include <maxscale/gw.h>
 #include <maxscale/modinfo.h>
 #include <sys/stat.h>
 #include <maxscale/modutil.h>

server/modules/protocol/MySQL/mysql_common.c

@@ -42,7 +42,6 @@
  *
  */
 
-#include <maxscale/gw.h>
 #include <maxscale/utils.h>
 #include <maxscale/protocol/mysql.h>
 #include <maxscale/alloc.h>