remove SkBounder -- unused and unloved

BUG=skia:
R=scroggo@google.com

Author: reed@google.com

Review URL: https://codereview.chromium.org/312553006
diff --git a/samplecode/SampleCode.h b/samplecode/SampleCode.h
index 7c0452a..26a8207 100644
--- a/samplecode/SampleCode.h
+++ b/samplecode/SampleCode.h
@@ -109,8 +109,7 @@
         : fPipeState(SkOSMenu::kOffState)
         , fBGColor(SK_ColorWHITE)
         , fRepeatCount(1)
-        , fDebugHitTest(false) {
-    }
+    {}
 
     void setBGColor(SkColor color) { fBGColor = color; }
 
@@ -145,9 +144,6 @@
 private:
     int fRepeatCount;
 
-    bool fDebugHitTest;
-    SkIPoint fDebugHitTestLoc;
-
     typedef SkView INHERITED;
 };