Remove all vanished translations

app/languages/qml_ko.ts

@@ -517,10 +517,6 @@
         <source>Your selection to enable remote desktop mouse mode may cause problems in games.</source>
         <translation>원격 데스크톱 마우스 모드를 활성화하도록 선택하면 게임에서 문제가 발생할 수 있습니다.</translation>
     </message>
-    <message>
-        <source>HDR is not supported with software decoding.</source>
-        <translation type="vanished">HDR는 소프트웨어 디코딩에서 지원되지 않습니다.</translation>
-    </message>
     <message>
         <location filename="../streaming/session.cpp" line="967"/>
         <source>Your settings selection to force software decoding may cause poor streaming performance.</source>
@@ -912,10 +908,6 @@
         <source>Enable HDR</source>
         <translation>HDR 활성화</translation>
     </message>
-    <message>
-        <source>Enabling HDR overrides manual decoder selections.</source>
-        <translation type="vanished">HDR을 활성화하면 지정된 디코더 선택이 무시됩니다.</translation>
-    </message>
     <message>
         <location filename="../gui/SettingsView.qml" line="1651"/>
         <source>The stream will be HDR-capable, but some games may require an HDR monitor on your host PC to enable HDR mode.</source>