remove unused SkRasterizer

Bug: skia:7500
Change-Id: Iaa683cf8f0b18887cce4ec676631d1e1efee1712
Reviewed-on: https://skia-review.googlesource.com/97400
Reviewed-by: Florin Malita <fmalita@chromium.org>
Commit-Queue: Mike Reed <reed@google.com>
diff --git a/docs/SkCanvas_Reference.bmh b/docs/SkCanvas_Reference.bmh
index 437c2802..24e1e0a 100644
--- a/docs/SkCanvas_Reference.bmh
+++ b/docs/SkCanvas_Reference.bmh
@@ -3095,7 +3095,7 @@
 
 #Method void drawPaint(const SkPaint& paint)
 
-Fill Clip with Paint paint. Paint components Rasterizer, Mask_Filter, Shader,
+Fill Clip with Paint paint. Paint components Mask_Filter, Shader,
 Color_Filter, Image_Filter, and Blend_Mode affect drawing;
 Path_Effect in paint is ignored.
 
@@ -4985,7 +4985,7 @@
 text draws left to right, positioning the first glyph left side bearing at x
 and its baseline at y. Text size is affected by Matrix and Paint_Text_Size. 
 
-All elements of paint: Path_Effect, Rasterizer, Mask_Filter, Shader,
+All elements of paint: Path_Effect, Mask_Filter, Shader,
 Color_Filter, Image_Filter, and Draw_Looper; apply to text. By default, draws
 filled 12 point black Glyphs.
 
@@ -5041,7 +5041,7 @@
 string draws left to right, positioning the first glyph left side bearing at x
 and its baseline at y. Text size is affected by Matrix and Paint_Text_Size. 
 
-All elements of paint: Path_Effect, Rasterizer, Mask_Filter, Shader,
+All elements of paint: Path_Effect, Mask_Filter, Shader,
 Color_Filter, Image_Filter, and Draw_Looper; apply to text. By default, draws
 filled 12 point black Glyphs.
 
@@ -5074,7 +5074,7 @@
 string draws left to right, positioning the first glyph left side bearing at x
 and its baseline at y. Text size is affected by Matrix and Paint_Text_Size. 
 
-All elements of paint: Path_Effect, Rasterizer, Mask_Filter, Shader,
+All elements of paint: Path_Effect, Mask_Filter, Shader,
 Color_Filter, Image_Filter, and Draw_Looper; apply to text. By default, draws
 filled 12 point black Glyphs.
 
@@ -5110,7 +5110,7 @@
 baseline is positioned at y. Text size is affected by Matrix and
 Paint_Text_Size. 
 
-All elements of paint: Path_Effect, Rasterizer, Mask_Filter, Shader,
+All elements of paint: Path_Effect, Mask_Filter, Shader,
 Color_Filter, Image_Filter, and Draw_Looper; apply to text. By default, draws
 filled 12 point black Glyphs.
 
@@ -5153,7 +5153,7 @@
 its baseline is positioned at constY. Text size is affected by Matrix and
 Paint_Text_Size. 
 
-All elements of paint: Path_Effect, Rasterizer, Mask_Filter, Shader,
+All elements of paint: Path_Effect, Mask_Filter, Shader,
 Color_Filter, Image_Filter, and Draw_Looper; apply to text. By default, draws
 filled 12 point black Glyphs.
 
@@ -5198,7 +5198,7 @@
 default text positions the first glyph left side bearing at origin x and its
 baseline at origin y. Text size is affected by Matrix and Paint_Text_Size. 
 
-All elements of paint: Path_Effect, Rasterizer, Mask_Filter, Shader,
+All elements of paint: Path_Effect, Mask_Filter, Shader,
 Color_Filter, Image_Filter, and Draw_Looper; apply to text. By default, draws
 filled 12 point black Glyphs.
 
@@ -5246,7 +5246,7 @@
 default text positions the first glyph left side bearing at origin x and its
 baseline at origin y. Text size is affected by Matrix and Paint_Text_Size. 
 
-All elements of paint: Path_Effect, Rasterizer, Mask_Filter, Shader,
+All elements of paint: Path_Effect, Mask_Filter, Shader,
 Color_Filter, Image_Filter, and Draw_Looper; apply to text. By default, draws
 filled 12 point black Glyphs.
 
@@ -5296,7 +5296,7 @@
 Optional Rect cullRect is a conservative bounds of text, taking into account
 RSXform and paint. If cullRect is outside of Clip, canvas can skip drawing.
 
-All elements of paint: Path_Effect, Rasterizer, Mask_Filter, Shader,
+All elements of paint: Path_Effect, Mask_Filter, Shader,
 Color_Filter, Image_Filter, and Draw_Looper; apply to text. By default, draws
 filled 12 point black Glyphs.
 
@@ -5346,7 +5346,7 @@
 
 Paint_Text_Encoding must be set to SkPaint::kGlyphID_TextEncoding.
 
-Elements of paint: Path_Effect, Rasterizer, Mask_Filter, Shader, Color_Filter, 
+Elements of paint: Path_Effect, Mask_Filter, Shader, Color_Filter,
 Image_Filter, and Draw_Looper; apply to blob.
 
 #Param  blob     Glyphs, positions, and their paints' text size, typeface, and so on ##
@@ -5399,7 +5399,7 @@
 
 Paint_Text_Encoding must be set to SkPaint::kGlyphID_TextEncoding.
 
-Elements of paint: Path_Effect, Rasterizer, Mask_Filter, Shader, Color_Filter, 
+Elements of paint: Path_Effect, Mask_Filter, Shader, Color_Filter, 
 Image_Filter, and Draw_Looper; apply to blob.
 
 #Param  blob     Glyphs, positions, and their paints' text size, typeface, and so on ##