Retire RSpec/InvalidPredicateMatcher

Fixes #938

Author: pirj

CHANGELOG.md

@@ -3,6 +3,7 @@
 ## Master (Unreleased)
 
 * Remove deprecated class `::RuboCop::Cop::RSpec::Cop`. ([@bquorning][])
+* Retire `RSpec/InvalidPredicateMatcher` cop. ([@pirj][])
 
 ## 2.0.0.pre (2020-10-22)
 

config/default.yml

@@ -315,12 +315,6 @@ RSpec/InstanceVariable:
   VersionChanged: '1.7'
   StyleGuide: https://www.rubydoc.info/gems/rubocop-rspec/RuboCop/Cop/RSpec/InstanceVariable
 
-RSpec/InvalidPredicateMatcher:
-  Description: Checks invalid usage for predicate matcher.
-  Enabled: true
-  VersionAdded: '1.16'
-  StyleGuide: https://www.rubydoc.info/gems/rubocop-rspec/RuboCop/Cop/RSpec/InvalidPredicateMatcher
-
 RSpec/ItBehavesLike:
   Description: Checks that only one `it_behaves_like` style is used.
   Enabled: true

docs/modules/ROOT/pages/cops.adoc

@@ -40,7 +40,6 @@
 * xref:cops_rspec.adoc#rspecimplicitsubject[RSpec/ImplicitSubject]
 * xref:cops_rspec.adoc#rspecinstancespy[RSpec/InstanceSpy]
 * xref:cops_rspec.adoc#rspecinstancevariable[RSpec/InstanceVariable]
-* xref:cops_rspec.adoc#rspecinvalidpredicatematcher[RSpec/InvalidPredicateMatcher]
 * xref:cops_rspec.adoc#rspecitbehaveslike[RSpec/ItBehavesLike]
 * xref:cops_rspec.adoc#rspeciteratedexpectation[RSpec/IteratedExpectation]
 * xref:cops_rspec.adoc#rspecleadingsubject[RSpec/LeadingSubject]

docs/modules/ROOT/pages/cops_rspec.adoc

@@ -1984,38 +1984,6 @@ end
 
 * https://www.rubydoc.info/gems/rubocop-rspec/RuboCop/Cop/RSpec/InstanceVariable
 
-== RSpec/InvalidPredicateMatcher
-
-|===
-| Enabled by default | Safe | Supports autocorrection | VersionAdded | VersionChanged
-
-| Enabled
-| Yes
-| No
-| 1.16
-| -
-|===
-
-Checks invalid usage for predicate matcher.
-
-Predicate matcher does not need a question.
-This cop checks an unnecessary question in predicate matcher.
-
-=== Examples
-
-[source,ruby]
-----
-# bad
-expect(foo).to be_something?
-
-# good
-expect(foo).to be_something
-----
-
-=== References
-
-* https://www.rubydoc.info/gems/rubocop-rspec/RuboCop/Cop/RSpec/InvalidPredicateMatcher
-
 == RSpec/ItBehavesLike
 
 |===

lib/rubocop/cop/rspec/invalid_predicate_matcher.rb

@@ -52,7 +52,6 @@
 require_relative 'rspec/implicit_subject'
 require_relative 'rspec/instance_spy'
 require_relative 'rspec/instance_variable'
-require_relative 'rspec/invalid_predicate_matcher'
 require_relative 'rspec/it_behaves_like'
 require_relative 'rspec/iterated_expectation'
 require_relative 'rspec/leading_subject'