8243208: Clean up JVMFlag implementation

Reviewed-by: dholmes, coleenp, gziemski

src/hotspot/share/runtime/arguments.cpp

@@ -3898,10 +3898,7 @@ bool Arguments::handle_deprecated_print_gc_flags() {
 
 jint Arguments::parse(const JavaVMInitArgs* initial_cmd_args) {
   assert(verify_special_jvm_flags(false), "deprecated and obsolete flag table inconsistent");
-
-  // Initialize ranges and constraints
-  JVMFlagRangeList::init();
-  JVMFlagConstraintList::init();
+  JVMFlag::check_all_flag_declarations();
 
   // If flag "-XX:Flags=flags-file" is used it will be the first option to be processed.
   const char* hotspotrc = ".hotspotrc";