fix: remove apparently unused require for thwait

bethesque · bethesque · commit 4a08fd5e51b7 · 2020-01-11T17:41:57.000+11:00
diff --git a/lib/pact/mock_service/app_manager.rb b/lib/pact/mock_service/app_manager.rb
@@ -1,5 +1,3 @@
-require 'thwait'
-
 require 'net/http'
 require 'uri'
 require 'pact/logging'
