Remove ONEAPI_ROOT from build.sh

Author: PokhodenkoSA

conda-recipe/build.sh

@@ -1,14 +1,5 @@
 #!/bin/bash
 
-# We need dpcpp to compile dpctl_sycl_interface
-if [ ! -z "${ONEAPI_ROOT}" ]; then
-    # Suppress error b/c it could fail on Ubuntu 18.04
-    source ${ONEAPI_ROOT}/compiler/latest/env/vars.sh || true
-else
-    echo "DPCPP is needed to build DPCTL. Abort!"
-    exit 1
-fi
-
 ${PYTHON} setup.py clean --all
 ${PYTHON} setup.py install