test: don't check magic values in stitching perf test

modules/stitching/perf/perf_stich.cpp

@@ -94,25 +94,7 @@ PERF_TEST_P(stitch, b12, TEST_DETECTORS)
     EXPECT_NEAR(pano.size().width, 1117, 50);
     EXPECT_NEAR(pano.size().height, 642, 30);
 
-    Mat pano_small;
-    resize(pano, pano_small, Size(320, 240), 0, 0, INTER_AREA);
-
-    // results from orb and surf are slightly different (but both of them are good). Regression data
-    // are for orb.
-    /* transformations are:
-    orb:
-    [0.99213386, 0.062509097, -351.83731;
-     -0.073042989, 1.0615162, -89.869858;
-     0.0005330033, -4.0937066e-05, 1]
-    surf:
-    [1.0034728, 0.022535477, -352.76849;
-     -0.080653802, 1.0742083, -89.602058;
-     0.0004876224, 0.00012311155, 1]
-    */
-    if (GetParam() == "orb")
-        SANITY_CHECK(pano_small, 5);
-    else
-        SANITY_CHECK_NOTHING();
+    SANITY_CHECK_NOTHING();
 }
 
 PERF_TEST_P(stitchDatasets, affine, testing::Combine(AFFINE_DATASETS, TEST_DETECTORS))