Disabling SSE4.1 path in GFluidResize due to Valgrind issues

modules/gapi/src/backends/fluid/gfluidcore.cpp

@@ -2952,6 +2952,7 @@ static void calcRowLinearC(const cv::gapi::fluid::View  & in,
         dst[l] = out.OutLine<T>(l);
     }
 
+#if 0 // Disabling SSE4.1 path due to Valgrind issues: https://github.com/opencv/opencv/issues/21097
 #if CV_SSE4_1
     const auto* clone = scr.clone;
     auto* tmp = scr.tmp;
@@ -2971,6 +2972,7 @@ static void calcRowLinearC(const cv::gapi::fluid::View  & in,
         return;
     }
 #endif // CV_SSE4_1
+#endif
     int length = out.length();
     for (int l = 0; l < lpi; l++) {
         constexpr static const auto unity = Mapper::unity;