Move rspec styleguide to separate file

.rubocop.yml

@@ -15,9 +15,10 @@ inherit_from:
   # The relaxed style rules as a common starting point which we can refine.
   - .rubocop_relaxed_styleguide.yml
 
-  # Our Open Food Network style guide. If you want to see all violations,
+  # Our Open Food Network style guides. If you want to see all violations,
   # then use only that configuration:
   #
   #     bundle exec rubocop -c .rubocop_styleguide.yml
   #
   - .rubocop_styleguide.yml
+  - .rubocop_rspec_styleguide.yml

.rubocop_rspec_styleguide.yml

@@ -0,0 +1,11 @@
+# OFN styleguide for rubocop-rspec
+
+RSpec/ExpectChange:
+  Enabled: true
+  EnforcedStyle: block
+
+RSpec/MultipleExpectations:
+  Max: 5 # Default 1
+
+RSpec/MultipleMemoizedHelpers:
+  Max: 10 # Default 5

.rubocop_styleguide.yml

@@ -125,16 +125,6 @@ Rails/SkipsModelValidations:
     - update_column
     - update_columns
 
-RSpec/ExpectChange:
-  Enabled: true
-  EnforcedStyle: block
-
-RSpec/MultipleExpectations:
-  Max: 5 # Default 1
-
-RSpec/MultipleMemoizedHelpers:
-  Max: 10 # Default 5
-
 Style/Documentation:
   Enabled: false