git-codereview: pull punctuation marks out of quotation marks
git-codereview: pull punctuation marks out of quotation marks

Command-line commands listed in the documentation are put in quotation
marks. In some places punctuation marks were also placed between the
quotation marks, which could suggest that they are part of the command.
So we pull those punctuation marks out.

Change-Id: I7057747a0f045394976f04f8be387e18805c22e1
Reviewed-on: https://go-review.googlesource.com/104657
Reviewed-by: Daniel Martí <29bf28b42a938ace12a5819da4ed4ba03d82f315@mvdan.cc>
Reviewed-by: Brad Fitzpatrick <ae9783c0b0efc69cd85ab025ddd17aa44cdc4aa5@golang.org>

golang/review