Remove unused parameter (#630)

The imageSupportRequired param is not needed in runTestHarnessWithCheck,
so just remove it.

Signed-off-by: Radek Szymanski <radek.szymanski@arm.com>

test_conformance/SVM/main.cpp

@@ -304,6 +304,6 @@ test_status InitCL(cl_device_id device) {
 
 int main(int argc, const char *argv[])
 {
-  return runTestHarnessWithCheck(argc, argv, test_num, test_list, false, true, 0, InitCL);
+  return runTestHarnessWithCheck(argc, argv, test_num, test_list, true, 0, InitCL);
 }