cmd: simplify internal.help => help

cmd/v/help/help.v

@@ -18,7 +18,7 @@ pub fn print_and_exit(topic string) {
 		println(unknown_topic)
 		exit(1)
 	}
-	target_topic := os.join_path(vroot, 'cmd', 'v', 'internal', 'help', '${topic}.txt')
+	target_topic := os.join_path(vroot, 'cmd', 'v', 'help', '${topic}.txt')
 	content := os.read_file(target_topic) or {
 		println(unknown_topic)
 		exit(1)

cmd/v/v.v

@@ -3,7 +3,7 @@
 // that can be found in the LICENSE file.
 module main
 
-import internal.help
+import help
 import os
 import os.cmdline
 import v.table