Delete even more unused views code

Bug: skia:
Change-Id: I41480aa89dfcd8cb7e016e477cbabe354f35ce8a
Reviewed-on: https://skia-review.googlesource.com/75480
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>
diff --git a/samplecode/PerlinPatch.cpp b/samplecode/PerlinPatch.cpp
index d20a0fb..9faf5ca 100644
--- a/samplecode/PerlinPatch.cpp
+++ b/samplecode/PerlinPatch.cpp
@@ -119,7 +119,7 @@
         SkUnichar uni;
         if (SampleCode::CharQ(*evt, &uni)) {
             switch (uni) {
-                case 'g': fShowGrid = !fShowGrid; this->inval(nullptr); return true;
+                case 'g': fShowGrid = !fShowGrid; return true;
                 default: break;
             }
         }
@@ -207,7 +207,6 @@
             fTexScale += yDiff / 10.0f;
             fTexScale = SkTMax(0.1f, SkTMin(20.f, fTexScale));
         }
-        this->inval(nullptr);
         return true;
     }