Remove the last remnants of the TranscendentalCache.

src/isolate.h

Index: src/isolate.h
diff --git a/src/isolate.h b/src/isolate.h
index 7ba30883c755bc358709d68e2f59a73a9864616b..31a0af8f9aad519a3f097285b9c439823ea985fe 100644
--- a/src/isolate.h
+++ b/src/isolate.h
@@ -870,10 +870,6 @@ class Isolate {
   DeoptimizerData* deoptimizer_data() { return deoptimizer_data_; }
   ThreadLocalTop* thread_local_top() { return &thread_local_top_; }
 
-  TranscendentalCache* transcendental_cache() const {
-    return transcendental_cache_;
-  }
-
   MemoryAllocator* memory_allocator() {
     return memory_allocator_;
   }
@@ -1270,7 +1266,6 @@ class Isolate {
   bool capture_stack_trace_for_uncaught_exceptions_;
   int stack_trace_for_uncaught_exceptions_frame_limit_;
   StackTrace::StackTraceOptions stack_trace_for_uncaught_exceptions_options_;
-  TranscendentalCache* transcendental_cache_;
   MemoryAllocator* memory_allocator_;
   KeyedLookupCache* keyed_lookup_cache_;
   ContextSlotCache* context_slot_cache_;