games/typtea: update to 0.1.6

While here, remove go version since go is backwards compatible.

Changelogs:

• https://github.com/ashish0kumar/typtea/releases/tag/v0.1.5
• https://github.com/ashish0kumar/typtea/releases/tag/v0.1.6

PR: 288851
Reported by: Yusuf Yaman <nxjoseph@protonmail.com> (maintainer)