Stop referencing no longer existing SERVICE_ENDPOINT variable

It was probably finally removed by one of recent refactoring changes.
Now ironic gate fails due to Swift trying to access it to override OS_AUTH_URL.
This change drops this override and just uses OS_AUTH_URL.

Closes-Bug: #1535245
Change-Id: I145bec110c4299e61f2bce49df41dcd82e5d462d
diff --git a/lib/swift b/lib/swift
index b596142..9edeb0a 100644
--- a/lib/swift
+++ b/lib/swift
@@ -817,7 +817,6 @@
     OS_USERNAME=swift \
     OS_PASSWORD=$SERVICE_PASSWORD \
     OS_PROJECT_NAME=$SERVICE_TENANT_NAME \
-    OS_AUTH_URL=$SERVICE_ENDPOINT \
     openstack object store account \
         set --property "Temp-URL-Key=$SWIFT_TEMPURL_KEY"
 }
diff --git a/tools/create_userrc.sh b/tools/create_userrc.sh
index 93d5d69..74d5428 100755
--- a/tools/create_userrc.sh
+++ b/tools/create_userrc.sh
@@ -156,8 +156,6 @@
     exit 3
 fi
 
-export -n SERVICE_ENDPOINT OS_SERVICE_ENDPOINT
-
 EC2_URL=$(openstack endpoint list --service ec2 --interface public --os-identity-api-version=3 -c URL -f value || true)
 if [[ -z $EC2_URL ]]; then
     EC2_URL=http://localhost:8773/