message: core(stat): remove useless checks
diff: @@ -28,7 +28,6 @@ int normHamming(const uchar* a, int n)
  int i = 0;
  int result = 0;
  #if CV_AVX2
  - if(USE_AVX2)
  {
  __m256i _r0 = _mm256_setzero_si256();
  __m256i _0 = _mm256_setzero_si256();
  @@ -52,7 +51,6 @@ int normHamming(const uchar* a, int n)
  #endif // CV_AVX2
  #if CV_POPCNT
  - if(checkHardwareSupport(CV_CPU_POPCNT))
  {
  # if defined CV_POPCNT_U64
  for(; i <= n - 8; i += 8)
  @@ -68,7 +66,6 @@ int normHamming(const uchar* a, int n)
  #endif // CV_POPCNT
  #if CV_SIMD128
  - if(hasSIMD128())
  {
  v_uint32x4 t = v_setzero_u32();
  for(; i <= n - v_uint8x16::nlanes; i += v_uint8x16::nlanes)
  @@ -97,7 +94,6 @@ int normHamming(const uchar* a, const uchar* b, int n)
  int i = 0;
  int result = 0;
  #if CV_AVX2
  - if(USE_AVX2)
  {
  __m256i _r0 = _mm256_setzero_si256();
  __m256i _0 = _mm256_setzero_si256();
  @@ -124,7 +120,6 @@ int normHamming(const uchar* a, const uchar* b, int n)
  #endif // CV_AVX2
  #if CV_POPCNT
  - if(checkHardwareSupport(CV_CPU_POPCNT))
  {
  # if defined CV_POPCNT_U64
  for(; i <= n - 8; i += 8)
  @@ -140,7 +135,6 @@ int normHamming(const uchar* a, const uchar* b, int n)
  #endif // CV_POPCNT
  #if CV_SIMD128
  - if(hasSIMD128())
  {
  v_uint32x4 t = v_setzero_u32();
  for(; i <= n - v_uint8x16::nlanes; i += v_uint8x16::nlanes)
  