Remove redundant variable declaration

.drone.yml

@@ -37,17 +37,9 @@ steps:
   commands:
   - |
     terraform -chdir=terraform apply \
-      -var="vsphere_password=$${VSPHERE_PASSWORD}" -var="repo_username=$${REPO_USERNAME}" -var="repo_password=$${REPO_PASSWORD}" \
-      -var-file='vsphere.tfvars' \
       -input=false \
       -auto-approve \
       terraform.plan
   environment:
     TF_AUTOMATION: yes
-    VSPHERE_PASSWORD:
-      from_secret: vsphere_password
-    REPO_USERNAME:
-      from_secret: repo_username
-    REPO_PASSWORD:
-      from_secret: repo_password
     # TF_LOG: TRACE