vvp: Remove a dead rule for the .port_info statement.

We left an old rule that matched a port_info statement without a
trailing semicolon. Remove that rule ahead of the release.

vvp/parse.y

@@ -710,19 +710,11 @@ statement
 
 
   /* Port information for scopes... currently this is just meta-data for VPI queries */
+
 	| K_PORT_INFO T_NUMBER port_type T_NUMBER T_STRING ';'
 		{ compile_port_info( $2 /* port_index */, $3, $4 /* width */,
 		                     $5 /*&name */ ); }
-  /* Unfortunately, older versions didn't check for a semicolon at the end of
-    .port_info statements.
-     To insure backwards compatablitly with old files, we have a duplicate rule
-     that doesn't require a semicolon. After version 11, this rule will be
-     disabled (and can safely be deleted. */
-	| K_PORT_INFO T_NUMBER port_type T_NUMBER T_STRING
-		{ if (VERSION_MAJOR > 11)
-			yyerror("syntax error");
-		  compile_port_info( $2 /* port_index */, $3, $4 /* width */,
-		                     $5 /*&name */ ); }
+
 
 	|         K_TIMESCALE T_NUMBER T_NUMBER';'
 		{ compile_timescale($2, $3); }