Updated lint rule to make prettier responsible for formatting.

[excitement-engineer]

Following #1449, attempt 2 at making prettier responsible for formatting.

I used a tool to remove all the lint rules that conflicted with prettier in the tslint.json. I also tested it on the file Query.tsx that is causing issues in #1448.

This allowed me to remove tslint-config-prettier as a dependency.

Finally, I also updated the pretty script and the lint-staged script in the package.json.

[excitement-engineer]

cc @rosskevin

[apollo-cla]

	Warnings
⚠️	There are library changes, but not tests. That's OK as long as you're refactoring existing code

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