pytest-enabler is not needed to run tests.

--- jaraco_services-4.0.0/pyproject.toml.orig
+++ jaraco_services-4.0.0/pyproject.toml
@@ -32,7 +32,6 @@
 testing = [
 	# upstream
 	"pytest >= 6, != 8.1.*",
-	"pytest-enabler >= 2.2",
 
 	# local
 ]