Remove "please update help docs" notice from Gemspec
Remove "please update help docs" notice from Gemspec

Help docs updated to point directly to the gemspec and more
strongly encourage use of the GitHub Pages Gem directly.

This eliminates the need to maintain the Gem versions twice. :metal:

JustinPatenaude/pages-gem,jlord/pages-gem,jlord/pages-gem,mstred/pages-gem,n060dyz/pages-gem,github/pages-gem,mstred/pages-gem,n060dyz/pages-gem,github/pages-gem,Stargator/pages-gem,JustinPatenaude/pages-gem,Stargator/pages-gem