Remove imageSupportRequired parameter to runTestHarness (#1077)

* Tests requiring image support use runTestHarnessWithCheck

Removing special case for images in runTestHarness.

Fixes #710

* Remove imageSupportRequired argument

Tests which require image support now specify this while
calling runTestHarnessWithCheck.

Fixes #710

Signed-off-by: Ellen Norris-Thompson <ellen.norris-thompson@arm.com>

test_conformance/vectors/main.cpp

@@ -40,5 +40,5 @@ const int test_num = ARRAY_SIZE(test_list);
 
 int main(int argc, const char *argv[])
 {
-    return runTestHarness(argc, argv, test_num, test_list, false, false, 0);
+    return runTestHarness(argc, argv, test_num, test_list, false, 0);
 }