Remove Name from Pull Request template
Remove Name from Pull Request template

- This isn't necessary since it's already in the title.

Also formats the various section tips with italic font to make it
easier to spot that it's not user written text.

Reword some parts to make them easier to understand and remove others
that were too confusing.

tgriesser/bookshelf,bookshelf/bookshelf,bookshelf/bookshelf,tgriesser/bookshelf