kfdtest: Remove useless test cases

Those tests are actually did not function up to its expectation because
some underlying functions such as suspend/resume and disable/enable KFD
were not implemented. Those interfaces would never be implemented, so
delete them.

Change-Id: Ib5872ba2f35e307221e43791cda1782c6b6bb4d1
Signed-off-by: Yong Zhao <Yong.Zhao@amd.com>

tests/kfdtest/src/KFDPMTest.cpp

@@ -27,24 +27,6 @@
 #include "PM4Queue.hpp"
 #include "hsakmt.h"
 
-bool KFDPMTest::m_SetupSuccess = false;
-
-void KFDPMTest::SetUpTestCase() {
-    ROUTINE_START
-
-    m_SetupSuccess = false;
-    AcquirePrivilege(OS_SUSPEND);
-
-    // If AcquirePrivilege fails, it will throw and we will not reach here.
-    m_SetupSuccess = true;
-
-    ROUTINE_END
-}
-
-void KFDPMTest::TearDownTestCase() {
-}
-
-
 void KFDPMTest::SetUp() {
     ROUTINE_START