remove some unused stuff

src/gpu/GrTBSearch.h

-/*
- * Copyright 2010 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#ifndef GrTBSearch_DEFINED
-#define GrTBSearch_DEFINED
-
-#include "SkTypes.h"
-
-template <typename ELEM, typename KEY>
-int GrTBSearch(const ELEM array[], int count, KEY target) {
-    SkASSERT(count >= 0);
-    if (0 == count) {
-        // we should insert it at 0
-        return ~0;
-    }
-
-    int high = count - 1;
-    int low = 0;
-    while (high > low) {
-        int index = (low + high) >> 1;
-        if (LT(array[index], target)) {
-            low = index + 1;
-        } else {
-            high = index;
-        }
-    }
-
-    // check if we found it
-    if (EQ(array[high], target)) {
-        return high;
-    }
-
-    // now return the ~ of where we should insert it
-    if (LT(array[high], target)) {
-        high += 1;
-    }
-    return ~high;
-}
-
-#endif