disable REPL until it is fixed

compiler/main.v

@@ -1220,6 +1220,8 @@ fn new_v(args[]string) *V {
 }
 
 fn run_repl() []string {
+	println('REPL is temporarily disabled, sorry') 
+	exit(1) 
 	println('V $Version')
 	println('Use Ctrl-C or `exit` to exit')
 	file := '.vrepl.v'