Removed version specification

[vjandrea]

Q	A
Branch?	master
Bug fix?	no
New feature?	no
BC breaks?	no
Deprecations?	no
Related tickets	none
License	MIT

No need to specify the version here IMHO, since composer create-project will always use the latest stable.

[lchrusciel]

Hey Andrea!

thanks for the proposal. You are right, thanks for the fix :) Can you, however, open a PR to 1.11 branch and resolve conflict?

[Zales0123]

The base of this pull-request was changed, you need fetch and reset your local branch
if you want to add new commits to this pull request. Reset before you pull, else commits
may become messed-up.

Unless you added new commits (to this branch) locally that you did not push yet,
execute git fetch origin && git reset "patch-1" to update your local branch.

Feel free to ask for assistance when you get stuck 👍

[Zales0123]

Thanks, Andrea! 🎉