1. remove container feature table
2. do not generate feature entry if the feature is not included
in the image
3. rename ENABLE_* to INCLUDE_* for better clarity
4. rename feature status to feature state
5. [submodule]: update sonic-utilities
* 9700e45 2020-08-03 | [show/config]: combine feature and container feature cli (#1015) (HEAD, origin/master, origin/HEAD) [lguohan]
* c9d3550 2020-08-03 | [tests]: fix drops_group_test failure on second run (#1023) [lguohan]
* dfaae69 2020-08-03 | [lldpshow]: Fix input device is not a TTY error (#1016) [Arun Saravanan Balachandran]
* 216688e 2020-08-02 | [tests]: rename sonic-utilitie-tests to tests (#1022) [lguohan]
Signed-off-by: Guohan Lu <lguohan@gmail.com>
