Revert of skpbench: add option for gpu timing

tools/gpu/TestContext.cpp

Index: tools/gpu/TestContext.cpp
diff --git a/tools/gpu/TestContext.cpp b/tools/gpu/TestContext.cpp
index 0857024d06fc784cf089d61f38be79eb504fe4c9..8a78b903b15fbefe8507fa9210fa02448b8dd22e 100644
--- a/tools/gpu/TestContext.cpp
+++ b/tools/gpu/TestContext.cpp
@@ -8,13 +8,8 @@
 
 #include "TestContext.h"
 
-#include "GpuTimer.h"
-
 namespace sk_gpu_test {
-TestContext::TestContext()
-    : fFenceSync(nullptr)
-    , fGpuTimer(nullptr)
-    , fCurrentFenceIdx(0) {
+TestContext::TestContext() : fFenceSync(nullptr), fCurrentFenceIdx(0) {
     memset(fFrameFences, 0, sizeof(fFrameFences));
 }
 
@@ -26,7 +21,6 @@
     }
 #endif
     SkASSERT(!fFenceSync);
-    SkASSERT(!fGpuTimer);
 }
 
 void TestContext::makeCurrent() const { this->onPlatformMakeCurrent(); }
@@ -69,7 +63,6 @@
         delete fFenceSync;
         fFenceSync = nullptr;
     }
-    delete fGpuTimer;
 }
 
 }