scripted-diff: Use ArgsManager::DEBUG_ONLY flag

-BEGIN VERIFY SCRIPT-
sed -i 's/unsigned int flags, const bool debug_only,/unsigned int flags,/' src/util/system.h src/util/system.cpp
sed -i 's/ArgsManager::NONE, debug_only/flags, false/' src/util/system.cpp
sed -i 's/arg.second.m_debug_only/(arg.second.m_flags \& ArgsManager::DEBUG_ONLY)/' src/util/system.cpp
sed -i 's/ArgsManager::ALLOW_ANY, true, OptionsCategory::/ArgsManager::ALLOW_ANY | ArgsManager::DEBUG_ONLY, OptionsCategory::/' $(git grep --files-with-matches 'AddArg(' src)
sed -i 's/ArgsManager::ALLOW_ANY, false, OptionsCategory::/ArgsManager::ALLOW_ANY, OptionsCategory::/' $(git grep --files-with-matches 'AddArg(' src)
-END VERIFY SCRIPT-

src/test/getarg_tests.cpp

@@ -36,7 +36,7 @@ static void SetupArgs(const std::vector<std::string>& args)
 {
     gArgs.ClearArgs();
     for (const std::string& arg : args) {
-        gArgs.AddArg(arg, "", ArgsManager::ALLOW_ANY, false, OptionsCategory::OPTIONS);
+        gArgs.AddArg(arg, "", ArgsManager::ALLOW_ANY, OptionsCategory::OPTIONS);
     }
 }