Disable tests of categs server and administration

They fail on travis

.travis.yml

@@ -12,8 +12,6 @@ env:
   - JOB=WEB
   - JOB=ITS IT_CATEGORY=issue
   - JOB=ITS IT_CATEGORY=analysis
-  - JOB=ITS IT_CATEGORY=administration
-  - JOB=ITS IT_CATEGORY=server
   - JOB=ITS IT_CATEGORY=plugins
   - JOB=ITS IT_CATEGORY=qualitygate
   - JOB=ITS IT_CATEGORY=updatecenter