chore(deps): remove rspec mock pin

Author: YOU54F

Gemfile

@@ -3,14 +3,6 @@ source 'https://rubygems.org'
 # Specify your gem's dependencies in pact.gemspec
 gemspec
 
-# If rspec-mocks is not locked, spec/lib/pact/consumer/configuration_spec.rb fails on Ruby 3.0
-# Should raise an issue, but no time right now.
-# #<Pact::MockService::AppManager:0x00007fcf21410e68 @apps_spawned=false, @app_registrations=[]> received :register_mock_service_for with unexpected arguments
-#   expected: ("Mock Provider", "http://localhost:1234", {:find_available_port=>false, :pact_specification_version=>"1"})
-#        got: ("Mock Provider", "http://localhost:1234", {:find_available_port=>false, :pact_specification_version=>"1"})
-# Diff:
-
-gem "rspec-mocks", "3.13.6"
 gem "appraisal", "~> 2.5"
 gem "pact-support", git: "https://github.com/pact-foundation/pact-support.git", branch: "feat/generator_mock_server-url"