Remove one std::cout

unit_tests/Test_ShiftGELUImpl.cpp

@@ -126,7 +126,6 @@ TEST_CASE("[gpu/operator] ShiftGELU(forward)", "[ShiftGELU][GPU]") {
             sum += fabs(computedOutput[i] - targetOutput);
         }
         sum = sum / output_GELU->size();
-        std::cout << sum << "\n";
         REQUIRE(sum < 1.5e-1);
 
         delete[] computedOutput;