Bug 1268771 - Remove OldJitAllocPolicy. r=jandem.

It's unused.

js/src/jit/JitAllocPolicy.h

@@ -122,31 +122,6 @@ class JitAllocPolicy
     }
 };
 
-class OldJitAllocPolicy
-{
-  public:
-    OldJitAllocPolicy()
-    {}
-    template <typename T>
-    T* maybe_pod_malloc(size_t numElems) {
-        size_t bytes;
-        if (MOZ_UNLIKELY(!CalculateAllocSize<T>(numElems, &bytes)))
-            return nullptr;
-        return static_cast<T*>(GetJitContext()->temp->allocate(bytes));
-    }
-    template <typename T>
-    T* pod_malloc(size_t numElems) {
-        return maybe_pod_malloc<T>(numElems);
-    }
-    void free_(void* p) {
-    }
-    void reportAllocOverflow() const {
-    }
-    bool checkSimulatedOOM() const {
-        return !js::oom::ShouldFailWithOOM();
-    }
-};
-
 class AutoJitContextAlloc
 {
     TempAllocator tempAlloc_;