Revert "Simulate missing _pyrepl for CI"

This reverts commit 44afb6a.

Author: zooba

Lib/_pyrepl/__init__.py

@@ -17,5 +17,3 @@
 # RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
 # CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
 # CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-
-raise ModuleNotFoundError("Simulated absence")