Remove color*New from settings

The color*New settings were a hotfix for 4.0.1 where wrong settings were
applied to the colors leading to a black headset screen.
The New postfix is to manually prevent the settings file from reading
the old values.

src/settings/settings.h

@@ -65,9 +65,6 @@ enum class DoubleSetting
     VIDEO_colorRed,
     VIDEO_colorGreen,
     VIDEO_colorBlue,
-    VIDEO_colorRedNew,
-    VIDEO_colorGreenNew,
-    VIDEO_colorBlueNew,
 
     CHAPERONE_switchToBeginnerDistance,
     CHAPERONE_hapticFeedbackDistance,

src/settings/settings_controller.h

@@ -344,22 +344,10 @@ private:
                             QtInfo{ "colorRedNew" },
                             1.0 },
         DoubleSettingValue{ DoubleSetting::VIDEO_colorGreen,
-                            SettingCategory::Video,
-                            QtInfo{ "colorGreen" },
-                            1.0 },
-        DoubleSettingValue{ DoubleSetting::VIDEO_colorBlue,
-                            SettingCategory::Video,
-                            QtInfo{ "colorBlue" },
-                            1.0 },
-        DoubleSettingValue{ DoubleSetting::VIDEO_colorRedNew,
-                            SettingCategory::Video,
-                            QtInfo{ "colorRedNew" },
-                            1.0 },
-        DoubleSettingValue{ DoubleSetting::VIDEO_colorGreenNew,
                             SettingCategory::Video,
                             QtInfo{ "colorGreenNew" },
                             1.0 },
-        DoubleSettingValue{ DoubleSetting::VIDEO_colorBlueNew,
+        DoubleSettingValue{ DoubleSetting::VIDEO_colorBlue,
                             SettingCategory::Video,
                             QtInfo{ "colorBlueNew" },
                             1.0 },