[hip] Cleanup compiler wrapper for HIP-Clang. (#1847)

[ROCm/hip commit: a01b262660]

projects/hip/bin/hipcc

@@ -138,10 +138,6 @@ if (defined $HIP_RUNTIME and $HIP_RUNTIME eq "VDI" and !defined $HIP_VDI_HOME) {
 if (defined $HIP_VDI_HOME) {
     if (!defined $HIP_CLANG_PATH and (-e "$HIP_VDI_HOME/bin/clang" or -e "$HIP_VDI_HOME/bin/clang.exe")) {
         $HIP_CLANG_PATH = "$HIP_VDI_HOME/bin";
-        # With HIP_VDI_HOME defined, assume the installation of clang components, including headers.
-        if (!defined $HIP_CLANG_INCLUDE_PATH) {
-            $HIP_CLANG_INCLUDE_PATH = "$HIP_VDI_HOME/include/clang";
-        }
     }
     if (!defined $DEVICE_LIB_PATH and -e "$HIP_VDI_HOME/lib/bitcode") {
         $DEVICE_LIB_PATH = "$HIP_VDI_HOME/lib/bitcode";