installer.it: remove duplicate version from pom.xml
installer.it: remove duplicate version from pom.xml

git-svn-id: 6eed74fe9a15c8da84b9a8d7f2960c0406113ece@1771112 13f79535-47bb-0310-9956-ffa450edef68

tmaret/sling,labertasch/sling,vladbailescu/sling,ist-dresden/sling,ieb/sling,awadheshv/sling,trekawek/sling,awadheshv/sling,tmaret/sling,JEBailey/sling,ieb/sling,ieb/sling,headwirecom/sling,tmaret/sling,headwirecom/sling,tmaret/sling,vladbailescu/sling,ieb/sling,labertasch/sling,mcdan/sling,roele/sling,awadheshv/sling,headwirecom/sling,cleliameneghin/sling,mcdan/sling,JEBailey/sling,trekawek/sling,ieb/sling,anchela/sling,anchela/sling,mikibrv/sling,mikibrv/sling,mcdan/sling,cleliameneghin/sling,mikibrv/sling,mikibrv/sling,vladbailescu/sling,cleliameneghin/sling,roele/sling,JEBailey/sling,labertasch/sling,mcdan/sling,ieb/sling,labertasch/sling,anchela/sling,awadheshv/sling,ist-dresden/sling,JEBailey/sling,mcdan/sling,tmaret/sling,ist-dresden/sling,trekawek/sling,JEBailey/sling,roele/sling,mcdan/sling,cleliameneghin/sling,trekawek/sling,mikibrv/sling,awadheshv/sling,trekawek/sling,anchela/sling,vladbailescu/sling,headwirecom/sling,mikibrv/sling,ist-dresden/sling,anchela/sling,trekawek/sling,labertasch/sling,awadheshv/sling,roele/sling,roele/sling,headwirecom/sling,cleliameneghin/sling,ist-dresden/sling,vladbailescu/sling