Remove contraction.

[olivegamestudio]

articles/tutorials/advanced/MobileDeployment/01_getting_started/index.md

What You'll Learn

By the end of this mobile tutorial series, you'll have:

(MonoGame#169 (comment))
To ensure readability for non-english speakers, the MonoGame tutorials "do not" use contractions.

Please ensure to update where they have been used, e.g. "you'll" should be "you will"