Remove cops unknown to CI RuboCop version

RucoCop on CI is fixed at 0.23, and has outdated cop names.
Even without those disabling, `rubocop lib` passes just fine.

Author: pirj

.rubocop_rspec_base.yml

@@ -111,195 +111,16 @@ StringLiterals:
 Style/SpecialGlobalVars:
   Enabled: false
 
-Style/TrailingCommaInLiteral:
-  Enabled: false
-
-Style/TrailingCommaInArguments:
-  Enabled: false
-
 TrivialAccessors:
   AllowDSLWriters: true
   AllowPredicates: true
   ExactNameMatch: true
 
-Style/ParallelAssignment:
-  Enabled: false
-
-Layout/EmptyLineBetweenDefs:
-  Enabled: false
-
-Layout/FirstParameterIndentation:
-  Enabled: false
-
-Naming/ConstantName:
-  Enabled: false
-
-Style/ClassCheck:
-  Enabled: false
-
-Style/ConditionalAssignment:
-  Enabled: false
-
-Style/EmptyMethod:
-  Enabled: false
-
-Style/FormatStringToken:
-  Enabled: false
-
 Style/GuardClause:
   Enabled: false
 
-Style/IdenticalConditionalBranches:
-  Enabled: false
-
 Style/IfUnlessModifier:
   Enabled: false
 
-Style/IfUnlessModifierOfIfUnless:
-  Enabled: false
-
-Style/MethodMissing:
-  Enabled: false
-
-Style/MixinUsage:
-  Enabled: false
-
-Style/MultipleComparison:
-  Enabled: false
-
-Style/MutableConstant:
-  Enabled: false
-
-Style/NestedModifier:
-  Enabled: false
-
-Style/NestedParenthesizedCalls:
-  Enabled: false
-
-Style/NumericPredicate:
-  Enabled: false
-
-Style/RedundantParentheses:
-  Enabled: false
-
-Style/StringLiteralsInInterpolation:
-  Enabled: false
-
 Style/SymbolArray:
   Enabled: false
-
-Style/SymbolProc:
-  Enabled: false
-
-Style/YodaCondition:
-  Enabled: false
-
-Style/ZeroLengthPredicate:
-  Enabled: false
-
-Layout/ClosingParenthesisIndentation:
-  Enabled: false
-
-Layout/ExtraSpacing:
-  Enabled: false
-
-Layout/MultilineMethodCallBraceLayout:
-  Enabled: false
-
-Layout/MultilineMethodCallIndentation:
-  Enabled: false
-
-Layout/MultilineOperationIndentation:
-  Enabled: false
-
-Layout/SpaceAroundBlockParameters:
-  Enabled: false
-
-Layout/SpaceAroundOperators:
-  Enabled: false
-
-Layout/SpaceBeforeComma:
-  Enabled: false
-
-Style/BlockDelimiters:
-  Enabled: false
-
-Style/EmptyCaseCondition:
-  Enabled: false
-
-Style/MultilineIfModifier:
-  Enabled: false
-
-Style/RescueStandardError:
-  Enabled: false
-
-Style/StderrPuts:
-  Enabled: false
-
-Style/TernaryParentheses:
-  Enabled: false
-
-# This could likely be enabled, but it had a false positive on rspec-mocks
-# (suggested change was not behaviour preserving) so I don't trust it.
-Performance/HashEachMethods:
-  Enabled: false
-
-Naming/HeredocDelimiterNaming:
-  Enabled: false
-
-Layout/EmptyLineAfterMagicComment:
-  Enabled: false
-
-Layout/IndentArray:
-  Enabled: false
-
-Layout/IndentAssignment:
-  Enabled: false
-
-Layout/IndentHeredoc:
-  Enabled: false
-
-Layout/SpaceInsidePercentLiteralDelimiters:
-  Enabled: false
-
-Style/EmptyElse:
-  Enabled: false
-
-Style/IfInsideElse:
-  Enabled: false
-
-Style/RedundantReturn:
-  Enabled: false
-
-Style/StructInheritance:
-  Enabled: false
-
-Naming/VariableNumber:
-  Enabled: false
-
-Layout/SpaceInsideStringInterpolation:
-  Enabled: false
-
-Style/DateTime:
-  Enabled: false
-
-Style/ParenthesesAroundCondition:
-  Enabled: false
-
-Layout/EmptyLinesAroundBlockBody:
-  Enabled: false
-
-Lint/ImplicitStringConcatenation:
-  Enabled: false
-
-Lint/NestedMethodDefinition:
-  Enabled: false
-
-Style/RegexpLiteral:
-  Enabled: false
-
-Style/TrailingUnderscoreVariable:
-  Enabled: false
-
-Layout/EmptyLinesAroundAccessModifier:
-  Enabled: false