flimflam: l2tpipsec/openvpn: cleanup debug msgs

Remove function names from debug msgs; they are automatically included by
the macros.

BUG=none
TEST=run with vpn debug msgs enabled

Change-Id: I8fbaf7e29e913d2f1573dcdba11ce0ba79f21b08
Reviewed-on: https://gerrit.chromium.org/gerrit/15280
Reviewed-by: Ben Chan <benchan@chromium.org>
Commit-Ready: Sam Leffler <sleffler@chromium.org>
Tested-by: Sam Leffler <sleffler@chromium.org>
2 files changed