Remove load_nodepool_pip_opts function

During bootstrap process we tried to use infra
mirrors and wheels for PyPi, however they are not being built anymore
for modern distros.

So we can simplify code and remove the function as a whole.

Change-Id: I7b40a2e9500dc092e3ecb6847629037c614d5a1f
Signed-off-by: Dmitriy Rabotyagov <dmitriy.rabotyagov@cleura.com>

scripts/bootstrap-ansible.sh

@@ -117,9 +117,6 @@ case ${DISTRO_ID} in
         ;;
 esac
 
-# Load nodepool PIP mirror settings
-load_nodepool_pip_opts
-
 # Ensure we use the HTTPS/HTTP proxy with pip if it is specified
 if [ -n "$HTTPS_PROXY" ]; then
   PIP_OPTS+=" --proxy $HTTPS_PROXY"

scripts/gate-check-commit.sh

@@ -93,8 +93,6 @@ log_instance_info
 
 run_dstat || true
 
-load_nodepool_pip_opts
-
 # Bootstrap Ansible
 if [[ -z "${SKIP_OSA_BOOTSTRAP_AIO+defined}" ]]; then
   source "${OSA_CLONE_DIR}/scripts/bootstrap-ansible.sh"
@@ -129,7 +127,7 @@ elif [[ "${ACTION}" == "shastest" ]]; then
 elif [[ "${ACTION}" == "linters" ]]; then
   pushd "${OSA_CLONE_DIR}"
     # Install linter tools
-    ${PIP_COMMAND} install --isolated ${PIP_OPTS} -r ${OSA_CLONE_DIR}/test-requirements.txt
+    ${PIP_COMMAND} install --isolated -r ${OSA_CLONE_DIR}/test-requirements.txt
     # Disable Ansible color output
     export ANSIBLE_NOCOLOR=1
     # Create ansible logging directory
@@ -249,8 +247,6 @@ if [[ "${ACTION}" =~ "upgrade" ]]; then
     unset PIP_OPTS
     unset UPGRADE_TARGET_BRANCH
 
-    load_nodepool_pip_opts
-
     # Source the current scripts-library.sh functions
     source "${OSA_CLONE_DIR}/scripts/scripts-library.sh"
     # We need this as in stein we were deploying custom

scripts/scripts-library.sh

@@ -88,16 +88,6 @@ function build_ansible_runtime_venv {
     fi
 }
 
-# If in OpenStack-Infra, set some vars to use the mirror when bootstrapping Ansible
-function load_nodepool_pip_opts {
-    if [[ -e /etc/ci/mirror_info.sh ]]; then
-        source /etc/ci/mirror_info.sh
-        export PIP_OPTS="--index-url ${NODEPOOL_PYPI_MIRROR} --trusted-host ${NODEPOOL_MIRROR_HOST} --extra-index-url ${NODEPOOL_WHEEL_MIRROR}"
-    else
-        export PIP_OPTS=${PIP_OPTS:-""}
-    fi
-}
-
 # Determine the distribution we are running on, so that we can configure it
 # appropriately.
 function determine_distro {