Removed redundant network access check, owner access check already exists

Author: sureshanaparti

server/src/main/java/com/cloud/vm/UserVmManagerImpl.java

@@ -1336,9 +1336,6 @@ public UserVm addNicToVirtualMachine(AddNicToVMCmd cmd) throws InvalidParameterV
             throw new CloudRuntimeException("Zone " + vmInstance.getDataCenterId() + ", has a NetworkType of Basic. Can't add a new NIC to a VM on a Basic Network");
         }
 
-        // Perform account permission check on network
-        _accountMgr.checkAccess(caller, AccessType.UseEntry, false, network);
-
         //ensure network belongs in zone
         if (network.getDataCenterId() != vmInstance.getDataCenterId()) {
             throw new CloudRuntimeException(vmInstance + " is in zone:" + vmInstance.getDataCenterId() + " but " + network + " is in zone:" + network.getDataCenterId());