checkasm/sw_scale: hscale does not requires cpuflag test.

This is done in ff_shuffle_filter_coefficients.

Signed-off-by: Anton Khirnov <anton@khirnov.net>

tests/checkasm/sw_scale.c

@@ -278,8 +278,6 @@ static void check_hscale(void)
                       const uint8_t *src, const int16_t *filter,
                       const int32_t *filterPos, int filterSize);
 
-    int cpu_flags = av_get_cpu_flags();
-
     ctx = sws_alloc_context();
     if (sws_init_context(ctx, NULL, NULL) < 0)
         fail();
@@ -328,8 +326,7 @@ static void check_hscale(void)
                 ctx->dstW = ctx->chrDstW = input_sizes[dstWi];
                 ff_sws_init_scale(ctx);
                 memcpy(filterAvx2, filter, sizeof(uint16_t) * (SRC_PIXELS * MAX_FILTER_WIDTH + MAX_FILTER_WIDTH));
-                if ((cpu_flags & AV_CPU_FLAG_AVX2) && !(cpu_flags & AV_CPU_FLAG_SLOW_GATHER))
-                    ff_shuffle_filter_coefficients(ctx, filterPosAvx, width, filterAvx2, ctx->dstW);
+                ff_shuffle_filter_coefficients(ctx, filterPosAvx, width, filterAvx2, ctx->dstW);
 
                 if (check_func(ctx->hcScale, "hscale_%d_to_%d__fs_%d_dstW_%d", ctx->srcBpc, ctx->dstBpc + 1, width, ctx->dstW)) {
                     memset(dst0, 0, SRC_PIXELS * sizeof(dst0[0]));