remove unused kLCD_MaskFormat

src/gpu/GrFontScaler.cpp

Index: src/gpu/GrFontScaler.cpp
diff --git a/src/gpu/GrFontScaler.cpp b/src/gpu/GrFontScaler.cpp
index b16b498ac1d31bce909c2d218c2d7f91141913c5..0f85b83e1670df4fb504d5f31a73b84ca4438b74 100644
--- a/src/gpu/GrFontScaler.cpp
+++ b/src/gpu/GrFontScaler.cpp
@@ -68,8 +68,6 @@ GrMaskFormat GrFontScaler::getMaskFormat() const {
             return kA8_GrMaskFormat;
         case SkMask::kLCD16_Format:
             return kA565_GrMaskFormat;
-        case SkMask::kLCD32_Format:
-            return kA888_GrMaskFormat;
         case SkMask::kARGB32_Format:
             return kARGB_GrMaskFormat;
         default:
@@ -97,8 +95,6 @@ GrMaskFormat GrFontScaler::getPackedGlyphMaskFormat(GrGlyph::PackedID packed) co
             return kA8_GrMaskFormat;
         case SkMask::kLCD16_Format:
             return kA565_GrMaskFormat;
-        case SkMask::kLCD32_Format:
-            return kA888_GrMaskFormat;
         case SkMask::kARGB32_Format:
             return kARGB_GrMaskFormat;
         default:
@@ -183,11 +179,6 @@ bool GrFontScaler::getPackedGlyphImage(GrGlyph::PackedID packed,
                 expand_bits(rgb565, bits, width, height, dstRB, srcRB);
                 break;
             }
-            case kA888_GrMaskFormat: {
-                uint32_t* rgba8888 = reinterpret_cast<uint32_t*>(dst);
-                expand_bits(rgba8888, bits, width, height, dstRB, srcRB);
-                break;
-            }
             default:
                 SkFAIL("Invalid GrMaskFormat");
         }