H803 hacking have been deprecated

H803 hacking have been removed since hacking 0.10.
https://github.com/openstack-dev/hacking/blob/master/setup.cfg
test-requirements of monasca-ui require hacking >=0.12.0,<0.13.
So remove H803 ignore statement
Closes-Bug: #1650850

Change-Id: Idcc6aa70feb1a3eadbb30e4d0e9187359365e3c2

Author: xhzhf

tox.ini

@@ -36,6 +36,5 @@ exclude = .venv,.git,.tox,dist,*lib/python*,*egg,build,panel_template,dash_templ
 # H306 imports not in alphabetical order
 # H307  like imports should be grouped together
 # H405  multi line docstring summary not separated with an empty line
-# H803 git commit title should not end with period (disabled on purpose, see bug #1236621)
 # H904  Wrap long lines in parentheses instead of a backslash
-ignore = E127,E128,E501,H102,H238,H301,H305,H306,H307,H405,H803,H904
+ignore = E127,E128,E501,H102,H238,H301,H305,H306,H307,H405,H904