Removed q-vpn references

The last gate that was producing the log was kilo. Since it's EOL now,
remove the reference.

Change-Id: Ibb855c4e667bca319f2ea2663a299914cbf505b9

modules/openstack_project/files/logstash/jenkins-log-client.yaml

@@ -215,10 +215,6 @@ source-files:
     tags:
       - screen
       - oslofmt
-  - name: logs/screen-q-vpn.txt
-    tags:
-      - screen
-      - oslofmt
   - name: logs/screen-s-account.txt
     tags:
       - screen
@@ -378,11 +374,6 @@ source-files:
       - screen
       - oslofmt
     job-filter: '.*grenade.*'
-  - name: logs/new/screen-q-vpn.txt
-    tags:
-      - screen
-      - oslofmt
-    job-filter: '.*grenade.*'
   - name: logs/new/screen-s-account.txt
     tags:
       - screen
@@ -509,11 +500,6 @@ source-files:
       - screen
       - oslofmt
     job-filter: '.*grenade.*'
-  - name: logs/old/screen-q-vpn.txt
-    tags:
-      - screen
-      - oslofmt
-    job-filter: '.*grenade.*'
   - name: logs/old/screen-s-account.txt
     tags:
       - screen