fix: remove expose db vars from test environment

inventory/host_vars/test.carsharing.coop/expose_postgresql.yml

-expose_postgresql_port: !vault |
-          $ANSIBLE_VAULT;1.1;AES256
-          62653432666262333865353438663939313966646639613963356362353962366335656264366138
-          3735393538636335396632366563353739346162316439360a623165343433383233323162636538
-          36346565313636643333303762383331616431316161313933316166646434373763313665636136
-          6532623336306537360a373435636465356466646433623332646162386163356665616263343464
-          6430
-
-bi_ip: !vault |
-          $ANSIBLE_VAULT;1.1;AES256
-          34306336353833303932643735666631386563353734636432643234343032656161633338306464
-          6161366133396164636361326636616162363865643031340a633264316266343934646561376664
-          38343734326539626365626262316431386363313031326534343530383931373830323665613462
-          3139386663343765300a613936343264313133636538376566623161306536366533666365353735
-          3739
-
-bi_db_user: "bi"
-
-bi_db_password: !vault |
-          $ANSIBLE_VAULT;1.1;AES256
-          64323031343464366632623330343137303766336531663937343464316231623135333731303635
-          3562616238373035373831626661303137373262613832310a383264623234396661313062626434
-          37636664623836653766316161386162393535386430653238623261343432666338383732353633
-          6166376331383638330a633233613338343062396438643061336536383431656432316265393962
-          33663937666666373866303666383161313437336532656536333366343535643238
-
-expose_postgresql_users:
-  - name: "{{ bi_db_user }}"
-    password: "{{ bi_db_password }}"
-    db: sm-test
-    objs: "ALL_IN_SCHEMA"
-    privs: "SELECT"
-
-expose_postgresql_hba_entries:
-  - contype: hostssl
-    users: "{{ bi_db_user }}"
-    source: "{{ bi_ip }}/32"
-    databases: sm-test
-    method: md5
-
-postgresql_conf:
-  - option: listen_addresses
-    value: '*'
-  - option: port
-    value: "{{ expose_postgresql_port }}"
-  - option: ssl
-    value: true