server: Remote empty VPN test class (#2587)

I found this empty test while working on other PRs. Empty/ignored tests do not help us. I am removing it. In the future, if we manage to improve these classes, we can work on unit test cases for them.

Author: rafaelweingartner

server/pom.xml

@@ -183,7 +183,6 @@
             <exclude>com/cloud/storage/dao/*</exclude>
             <exclude>com/cloud/vm/dao/*</exclude>
             <exclude>com/cloud/api/ListPerfTest.java</exclude>
-            <exclude>com/cloud/network/vpn/RemoteAccessVpnTest.java</exclude>
             <exclude>com/cloud/network/security/SecurityGroupManagerImpl2Test.java</exclude>
             <exclude>com/cloud/network/security/SecurityGroupManagerImpl2Test.java</exclude>
             <exclude>com/cloud/vpc/VpcTestConfiguration.java</exclude>