HCC_HOME env cleanup

Change-Id: I2b00e5d310e6349fc52d5df60aae85f4c06adebe

build_static.sh

@@ -17,7 +17,6 @@ if [ -e "$DEFAULTS" ] ; then source "$DEFAULTS"; fi
 if [ -z "$ROCTRACER_ROOT" ]; then ROCTRACER_ROOT=$SRC_DIR; fi
 if [ -z "$BUILD_DIR" ] ; then BUILD_DIR=$PWD; fi
 if [ -z "$HIP_PATH" ] ; then export HIP_PATH="$ROCM_PATH/hip"; fi
-if [ -z "$HCC_HOME" ] ; then export HCC_HOME="$ROCM_PATH/hcc"; fi
 if [ -z "$BUILD_TYPE" ] ; then BUILD_TYPE="release"; fi
 if [ -z "$PACKAGE_ROOT" ] ; then PACKAGE_ROOT=$ROCM_PATH; fi
 if [ -z "$PACKAGE_PREFIX" ] ; then PACKAGE_PREFIX="$ROCM_PATH/$COMPONENT"; fi