delete bin/rpc-cli

This command is available via ryu command.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
delete ryu/tests/bin/of-config-cli

This command is available via ryu command.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
delete bin/neutron-ofagent-agent

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Reviewed-by: YAMAMOTO Takashi <yamamoto@valinux.co.jp>
remove obsolete man pages (rpc_cli and neutron_ofagent_agent)

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>