lang/urweb: Remove non default option MYSQL

- When enabled with MYSQL option this port is BROKEN on all available
  versions of mysql in the tree.

Approved by:	portmgr (blanket)

lang/urweb/Makefile

@@ -26,7 +26,7 @@ CONFIGURE_ENV=		CCARGS="-I${LOCALBASE}/include"
 
 CFLAGS+=	-pthread
 
-OPTIONS_DEFINE=		ELISP MYSQL PGSQL SQLITE
+OPTIONS_DEFINE=		ELISP PGSQL SQLITE
 OPTIONS_DEFAULT=	ELISP PGSQL
 OPTIONS_EXCLUDE=	DOCS NLS
 OPTIONS_SUB=		yes
@@ -35,9 +35,6 @@ ELISP_DESC=	Install contributed Emacs Lisp
 
 ELISP_CONFIGURE_ON=		with_emacs=yes
 ELISP_CONFIGURE_OFF=		with_emacs=no
-MYSQL_USES=			mysql
-MYSQL_CONFIGURE_ENV_OFF=	MSHEADER="no"
-MYSQL_VARS=		IGNORE_WITH_MYSQL="105m 106m 1011m 80 81"
 PGSQL_USES=			pgsql
 PGSQL_CONFIGURE_ENV_OFF=	PGHEADER="no"
 PGSQL_VARS=			WANT_PGSQL=server