Revert of Use sRGB pixel config for ARGB masks (color emoji)

src/gpu/text/GrBatchFontCache.h

Index: src/gpu/text/GrBatchFontCache.h
diff --git a/src/gpu/text/GrBatchFontCache.h b/src/gpu/text/GrBatchFontCache.h
index 78d7b75961aa3ef7f2772b51175158e2139581a2..42612fe8b67b0d0caea9eed3445ccb6683a15dcf 100644
--- a/src/gpu/text/GrBatchFontCache.h
+++ b/src/gpu/text/GrBatchFontCache.h
@@ -186,11 +186,11 @@
     void setAtlasSizes_ForTesting(const GrBatchAtlasConfig configs[3]);
 
 private:
-    static GrPixelConfig MaskFormatToPixelConfig(GrMaskFormat format, const GrCaps& caps) {
+    static GrPixelConfig MaskFormatToPixelConfig(GrMaskFormat format) {
         static const GrPixelConfig kPixelConfigs[] = {
             kAlpha_8_GrPixelConfig,
             kRGB_565_GrPixelConfig,
-            caps.srgbSupport() ? kSkiaGamma8888_GrPixelConfig : kSkia8888_GrPixelConfig
+            kSkia8888_GrPixelConfig
         };
         static_assert(SK_ARRAY_COUNT(kPixelConfigs) == kMaskFormatCount, "array_size_mismatch");