bpo-37599: Remove a vague statement in documentation of Integer Objects (#14786)

* Remove a vague statement in documentation

* Remove another vague sentence

A sentence starting with "So it should be possible..." shouldn't be in the docs either.

Co-Authored-By: Kyle Stanley <aeros167@gmail.com>

* Include the removal of the previous line

Co-Authored-By: Kyle Stanley <aeros167@gmail.com>

* Remove an extra space