Remove the temporary push

Author: StefanScherer

mongo/3.4/test.ps1

@@ -1,6 +1,2 @@
 Write-Host "Check nanoserver"
 docker run mongo:nano mongod.exe -version
-
-Write-Host "Pushing image to Docker Hub"
-docker login -u="$env:DOCKER_USER" -p="$env:DOCKER_PASS"
-.\push.ps1