Update to fix PR review problems

Remove <vector> include as per PR review and discussion with @petewarden

Remove profiler ScopeLabel as per discussion with @petewarden

tensorflow/lite/kernels/internal/reference/div.h

@@ -64,7 +64,6 @@ inline void Div(const ArithmeticParams& params,
                 const RuntimeShape& output_shape, uint8* output_data) {
   TFLITE_DCHECK_LE(params.quantized_activation_min,
                    params.quantized_activation_max);
-  ruy::profiler::ScopeLabel label("Div/8bit");
   const int flat_size =
       MatchingElementsSize(input1_shape, input2_shape, output_shape);
 

tensorflow/lite/kernels/internal/reference/reference_ops.h

@@ -25,7 +25,6 @@ limitations under the License.
 #include <limits>
 #include <memory>
 #include <type_traits>
-#include <vector>
 
 #include "third_party/eigen3/Eigen/Core"
 #include "fixedpoint/fixedpoint.h"