remove unused kLCD_MaskFormat

src/core/SkPaint.cpp

Index: src/core/SkPaint.cpp
diff --git a/src/core/SkPaint.cpp b/src/core/SkPaint.cpp
index 4ccfce235acc228c1690545bbba9f56bbf186334..d81784ace4bff46a5b70e07e4a5cf1e22b61be11 100644
--- a/src/core/SkPaint.cpp
+++ b/src/core/SkPaint.cpp
@@ -1407,7 +1407,7 @@ void SkScalerContext::MakeRec(const SkPaint& paint,
 
     rec->fMaskFormat = SkToU8(computeMaskFormat(paint));
 
-    if (SkMask::kLCD16_Format == rec->fMaskFormat || SkMask::kLCD32_Format == rec->fMaskFormat) {
+    if (SkMask::kLCD16_Format == rec->fMaskFormat) {
         if (too_big_for_lcd(*rec, checkPost2x2)) {
             rec->fMaskFormat = SkMask::kA8_Format;
             flags |= SkScalerContext::kGenA8FromLCD_Flag;
@@ -1553,8 +1553,7 @@ void SkScalerContext::PostMakeRec(const SkPaint&, SkScalerContext::Rec* rec) {
      *  the lum of one of them.
      */
     switch (rec->fMaskFormat) {
-        case SkMask::kLCD16_Format:
-        case SkMask::kLCD32_Format: {
+        case SkMask::kLCD16_Format: {
             // filter down the luminance color to a finite number of bits
             SkColor color = rec->getLuminanceColor();
             rec->setLuminanceColor(SkMaskGamma::CanonicalColor(color));