Revert "Allocate pseudo tty for ssh"

Reason: extra error messages when running "onos-test"
Pseudo-terminal will not be allocated because stdin is not a terminal.


This reverts commit 6ac0d554b020290daa7af6f8e25d27b8b61a9eb5.

Change-Id: I509b9e9dc941e1e7d281457693b1b74a5eb621e3
diff --git a/tools/test/bin/onos-uninstall b/tools/test/bin/onos-uninstall
index 84db340..e2a2816 100755
--- a/tools/test/bin/onos-uninstall
+++ b/tools/test/bin/onos-uninstall
@@ -8,7 +8,7 @@
 
 remote=$ONOS_USER@${1:-$OCI}
 
-ssh -t $remote "
+ssh $remote "
     sudo service onos stop 1>/dev/null 2>/dev/null
     sudo rm -fr $ONOS_INSTALL_DIR
 "