cleanup: remove test CI config

.gitlab-ci.yml

-stages:
-  - test
-
-vpc-test:
-  stage: test
-  tags:
-    - docker-android
-  image: alpine:latest
-  variables:
-    GIT_STRATEGY: none
-  script:
-    - apk add --no-cache mysql-client netcat-openbsd curl 2>/dev/null
-    - echo "=== VPC REACHABILITY TEST ==="
-    - nc -zv -w5 172.26.14.145 3306 2>&1 || echo "172.26.14.145:3306 UNREACHABLE"
-    - nc -zv -w5 172.26.7.171 3306 2>&1 || echo "172.26.7.171:3306 UNREACHABLE"
-    - nc -zv -w5 172.26.3.226 3306 2>&1 || echo "172.26.3.226:3306 UNREACHABLE"
-    - nc -zv -w5 172.26.7.179 16606 2>&1 || echo "172.26.7.179:16606 UNREACHABLE"
-    - nc -zv -w5 103.199.168.130 3306 2>&1 || echo "103.199.168.130:3306 UNREACHABLE"
-    - nc -zv -w5 103.199.168.131 3306 2>&1 || echo "103.199.168.131:3306 UNREACHABLE"
-    - echo "=== MYSQL PRODUCTION TEST ==="
-    - mysql -h 172.26.14.145 -u tldefender --password=R0kkh0k_r15h221 -e "SELECT COUNT(*) AS total_users FROM trucklagbe_db.users; SELECT MAX(registration_date) AS latest FROM trucklagbe_db.users;" 2>&1 || echo "Prod MySQL failed"
-    - mysql -h 103.199.168.130 -u tl-g-developer --password=G33p33a55_dataChai -e "SELECT COUNT(*) AS total_users FROM trucklagbe_db.users; SELECT MAX(registration_date) AS latest FROM trucklagbe_db.users;" 2>&1 || echo "QA MySQL failed"
-    - echo "=== DONE ==="
\ No newline at end of file