[3.11] Revert "Add tests for empty range equality (GH-103751)" (GH-103770) (#103781)

Revert "Add tests for empty range equality (GH-103751)" (GH-103770)

This reverts commit dca27a69a8261353f7f986eb8f808f0d487ac4b7.
Added tests are redundant with existing tests.
(cherry picked from commit ab25c7e3112b24a4cd8cb626bbd924c57af0fe1c)

Co-authored-by: Terry Jan Reedy <tjreedy@udel.edu>