SWDEV-385161 - Deprecate usage of env vars in HIP samples and tests (#363)

* SWDEV-385161 - Deprecate usage of env vars in HIP samples and tests env vars such as HIP_PATH, ROCM_PATH, HIP_COMPILER, HIP_RUNTIME, HSA_PATH etc are removed.

Change-Id: I280e20b291cfb14675846aae72d97fa5b3ad567d

catch/unit/graph/hipGraphCycle.cc

@@ -132,7 +132,6 @@ TEST_CASE("Unit_hipGraph_BasicCyclic4") {
 
   HipTest::initArrays<int>(&X_d, &Y_d, nullptr, &X_h, &Y_h, nullptr, N, false);
 
-  constexpr size_t memSetVal = 9;
   hipGraphNode_t kMemCpyH2D_X, memcpyD2D, memcpyD2H_RC, emptyNode1;
 
   HIP_CHECK(hipStreamCreate(&stream));
@@ -192,7 +191,6 @@ TEST_CASE("Unit_hipGraph_BasicCyclic5") {
 
   HipTest::initArrays<int>(&X_d, &Y_d, nullptr, &X_h, &Y_h, nullptr, N, false);
 
-  constexpr size_t memSetVal = 9;
   hipGraphNode_t kMemCpyH2D_X, memcpyD2D, memcpyD2H_RC, emptyNode1, emptyNode2, emptyNode3;
 
   HIP_CHECK(hipStreamCreate(&stream));
@@ -241,4 +239,4 @@ TEST_CASE("Unit_hipGraph_BasicCyclic5") {
   HIP_CHECK(hipGraphExecDestroy(graphExec));
   HIP_CHECK(hipGraphDestroy(graph));
   HIP_CHECK(hipStreamDestroy(stream));
-}
+}

catch/unit/graph/hipStreamBeginCapture.cc

@@ -22,6 +22,7 @@ THE SOFTWARE.
 #include <hip_test_defgroups.hh>
 #include "stream_capture_common.hh" // NOLINT
 
+#pragma clang diagnostic ignored "-Wunused-variable"
 /**
  * @addtogroup hipStreamBeginCapture hipStreamBeginCapture
  * @{

catch/unit/graph/user_object_common.hh

@@ -24,6 +24,8 @@ THE SOFTWARE.
 
 #include <hip_test_common.hh>
 
+#pragma clang diagnostic ignored "-Wunused-function"
+
 struct BoxStruct {
   int count;
   BoxStruct() { INFO("Constructor called for Struct!\n"); }
@@ -58,4 +60,4 @@ void destroyFloatObj(void* ptr) {
   delete ptr2;
 }
 
-}  // anonymous namespace
+}  // anonymous namespace