Revert "Add extra warnings to match what Android uses."

This reverts commit d234662df1ffeb1bf45b2ade16c4acfb94f89450.

This change broke the build. Will resubmit after fixing warnings.

git-svn-id: http://skia.googlecode.com/svn/trunk/src@12311 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/animator/SkScriptCallBack.h b/animator/SkScriptCallBack.h
index fefc482..dcbaf11 100644
--- a/animator/SkScriptCallBack.h
+++ b/animator/SkScriptCallBack.h
@@ -13,8 +13,6 @@
 
 class SkScriptCallBack {
 public:
-    virtual ~SkScriptCallBack() { }
-
     enum Type {
         kBox,
         kFunction,
diff --git a/core/SkBuffer.h b/core/SkBuffer.h
index 9791cf5..369d9c0 100644
--- a/core/SkBuffer.h
+++ b/core/SkBuffer.h
@@ -39,8 +39,6 @@
         fStop = (const char*)data + size;
     }
 
-    virtual ~SkRBuffer() { }
-
     /** Return the number of bytes that have been read from the beginning
         of the data pointer.
     */
diff --git a/gpu/gl/GrGLProgramEffects.h b/gpu/gl/GrGLProgramEffects.h
index 3320891..4572a42 100644
--- a/gpu/gl/GrGLProgramEffects.h
+++ b/gpu/gl/GrGLProgramEffects.h
@@ -129,8 +129,6 @@
  */
 class GrGLProgramEffectsBuilder {
 public:
-    virtual ~GrGLProgramEffectsBuilder() { }
-
     /**
      * Emits the effect's shader code, and stores the necessary uniforms internally.
      */
@@ -213,7 +211,6 @@
 class GrGLVertexProgramEffectsBuilder : public GrGLProgramEffectsBuilder {
 public:
     GrGLVertexProgramEffectsBuilder(GrGLFullShaderBuilder*, int reserveCount);
-    virtual ~GrGLVertexProgramEffectsBuilder() { }
 
     virtual void emitEffect(const GrEffectStage&,
                             GrGLProgramEffects::EffectKey,
@@ -301,7 +298,6 @@
 class GrGLTexGenProgramEffectsBuilder : public GrGLProgramEffectsBuilder {
 public:
     GrGLTexGenProgramEffectsBuilder(GrGLFragmentOnlyShaderBuilder*, int reserveCount);
-    virtual ~GrGLTexGenProgramEffectsBuilder() { }
 
     virtual void emitEffect(const GrEffectStage&,
                             GrGLProgramEffects::EffectKey,