Remove unnecessary RuboCop RSpec settings

.rubocop.yml

@@ -174,64 +174,3 @@ Performance/StringInclude:
   Enabled: true
 Performance/Sum:
   Enabled: true
-
-# Enable pending rubocop-rspec cops.
-
-RSpec/BeEmpty:
-  Enabled: true
-RSpec/BeEq:
-  Enabled: true
-RSpec/BeNil:
-  Enabled: true
-RSpec/ChangeByZero:
-  Enabled: true
-RSpec/ClassCheck:
-  Enabled: true
-RSpec/ContainExactly:
-  Enabled: true
-RSpec/DuplicatedMetadata:
-  Enabled: true
-RSpec/EmptyMetadata:
-  Enabled: true
-RSpec/EmptyOutput:
-  Enabled: true
-RSpec/Eq:
-  Enabled: true
-RSpec/ExcessiveDocstringSpacing:
-  Enabled: true
-RSpec/IdenticalEqualityAssertion:
-  Enabled: true
-RSpec/IndexedLet:
-  Enabled: true
-RSpec/IsExpectedSpecify:
-  Enabled: true
-RSpec/MatchArray:
-  Enabled: true
-RSpec/MetadataStyle:
-  Enabled: true
-RSpec/NoExpectationExample:
-  Enabled: true
-RSpec/PendingWithoutReason:
-  Enabled: true
-RSpec/ReceiveMessages:
-  Enabled: true
-RSpec/RedundantAround:
-  Enabled: true
-RSpec/RedundantPredicateMatcher:
-  Enabled: true
-RSpec/RemoveConst:
-  Enabled: true
-RSpec/RepeatedSubjectCall:
-  Enabled: true
-RSpec/SkipBlockInsideExample:
-  Enabled: true
-RSpec/SortMetadata:
-  Enabled: true
-RSpec/SpecFilePathSuffix:
-  Enabled: true
-RSpec/SubjectDeclaration:
-  Enabled: true
-RSpec/UndescriptiveLiteralsDescription:
-  Enabled: true
-RSpec/VerifiedDoubleReference:
-  Enabled: true

Gemfile

@@ -11,7 +11,7 @@ gem 'rake'
 gem 'rspec', '~> 3.11'
 gem 'rubocop-performance', '~> 1.7'
 gem 'rubocop-rake', '~> 0.6'
-gem 'rubocop-rspec', '~> 2.26'
+gem 'rubocop-rspec', '~> 3.0'
 gem 'simplecov', '>= 0.19'
 gem 'yard'