remove H803, it's mostly an old flamewar

Rule H803 was largely added because certain reviewers were -1ing
based on this. That's rediculous, and we should just yell at them
a lot for being rediculous about whether or not there is a period
at the end of the first line of a commit message.

Change-Id: Ic758c30eec15cdd6b20a326095d6e8557199daa1
Merge "remove H803, it's mostly an old flamewar"