R1:b63393d056c4

Remove the <a> tags from author name in 'View as Plain Text with Blame'

Summary: It looked stupid.

Test Plan: It looks better now and other options still work.

Reviewers: epriestley, jungejason

Reviewed By: epriestley

CC: aran, epriestley, tuomaspelkonen

Differential Revision: 1017