SWDEV-1 - hipcc/hipconfig path detection in bat file (#2488)

Change-Id: I075148087bc07b5044a3360f1636d07372b16a1d

bin/hipcc.bat

@@ -1,2 +1,2 @@
-@IF DEFINED HIP_PATH (set HIPCC="%HIP_PATH%/bin/hipcc") ELSE (set HIPCC="%~dp0/hipcc")
+set HIPCC="%~dp0/hipcc"
 @perl %HIPCC% %*

bin/hipconfig.bat

@@ -1,2 +1,2 @@
-@IF DEFINED HIP_PATH (set HIPCONFIG="%HIP_PATH%/bin/hipconfig") ELSE (set HIPCONFIG="%~dp0/hipconfig")
+set HIPCONFIG="%~dp0/hipconfig"
 @perl %HIPCONFIG% %*