VideoCore: Remove some unused functions.

src/video_core/utils.h

@@ -8,32 +8,6 @@
 
 #include "common/common_types.h"
 
-namespace FormatPrecision {
-
-/// Adjust RGBA8 color with RGBA6 precision
-static inline u32 rgba8_with_rgba6(u32 src) {
-    u32 color = src;
-    color &= 0xFCFCFCFC;
-    color |= (color >> 6) & 0x03030303;
-    return color;
-}
-
-/// Adjust RGBA8 color with RGB565 precision
-static inline u32 rgba8_with_rgb565(u32 src) {
-    u32 color = (src & 0xF8FCF8);
-    color |= (color >> 5) & 0x070007;
-    color |= (color >> 6) & 0x000300;
-    color |= 0xFF000000;
-    return color;
-}
-
-/// Adjust Z24 depth value with Z16 precision
-static inline u32 z24_with_z16(u32 src) {
-    return (src & 0xFFFF00) | (src >> 16);
-}
-
-} // namespace
-
 namespace VideoCore {
 
 /// Structure for the TGA texture format (for dumping)