Revert "all: C++ compiler support"

This reverts commit 9a237c3e82.

vlib/flag/flag.v

@@ -75,7 +75,6 @@ pub fn (af []Flag) str() string {
 pub struct FlagParser {
 	pub mut:
 	args  []string                  // the arguments to be parsed
-	max_free_args int
 	flags []Flag                    // registered flags
 
 	application_name        string
@@ -83,6 +82,7 @@ pub struct FlagParser {
 	application_description string
 
 	min_free_args int
+	max_free_args int
 	args_description        string
 }