➖ Remove rubocop-md & lint cleanup

Signed-off-by: Peter Boling <peter.boling@gmail.com>

.rubocop.yml

@@ -1,5 +1,4 @@
 require:
-  - 'rubocop-md'
   - 'rubocop/minitest'
   - 'rubocop-thread_safety'
 
@@ -11,110 +10,22 @@ inherit_from: .rubocop_todo.yml
 AllCops:
   DisplayCopNames: true # Display the name of the failing cops
 
-Gemspec/DateAssignment: # new in 1.10
-  Enabled: true
 Layout/DotPosition:
   Enabled: true
   EnforcedStyle: trailing
 Layout/IndentHeredoc:
   Enabled: false
-Layout/LineEndStringConcatenationIndentation: # new in 1.18
-  Enabled: true
-Layout/SpaceBeforeBrackets: # new in 1.7
-  Enabled: true
-Lint/AmbiguousAssignment: # new in 1.7
-  Enabled: true
-Lint/AmbiguousOperatorPrecedence: # new in 1.21
-  Enabled: true
-Lint/AmbiguousRange: # new in 1.19
-  Enabled: true
-Lint/DeprecatedConstants: # new in 1.8
-  Enabled: true
-Lint/DuplicateBranch: # new in 1.3
-  Enabled: true
-Lint/DuplicateRegexpCharacterClassElement: # new in 1.1
-  Enabled: true
-Lint/EmptyBlock: # new in 1.1
-  Enabled: true
-Lint/EmptyClass: # new in 1.3
-  Enabled: true
-Lint/EmptyInPattern: # new in 1.16
-  Enabled: true
-Lint/IncompatibleIoSelectWithFiberScheduler: # new in 1.21
-  Enabled: true
-Lint/LambdaWithoutLiteralBlock: # new in 1.8
-  Enabled: true
-Lint/NoReturnInBeginEndBlocks: # new in 1.2
-  Enabled: true
-Lint/NumberedParameterAssignment: # new in 1.9
-  Enabled: true
-Lint/OrAssignmentToConstant: # new in 1.9
-  Enabled: true
-Lint/RedundantDirGlobSort: # new in 1.8
-  Enabled: true
-Lint/RequireRelativeSelfPath: # new in 1.22
-  Enabled: true
-Lint/SymbolConversion: # new in 1.9
-  Enabled: true
-Lint/ToEnumArguments: # new in 1.1
-  Enabled: true
-Lint/TripleQuotes: # new in 1.9
-  Enabled: true
-Lint/UnexpectedBlockArity: # new in 1.5
-  Enabled: true
-Lint/UnmodifiedReduceAccumulator: # new in 1.1
-  Enabled: true
 Metrics/BlockLength:
-  IgnoredMethods:
+  ExcludedMethods:
     - context
     - describe
     - it
     - shared_context
     - shared_examples
     - shared_examples_for
-Security/IoMethods: # new in 1.22
-  Enabled: true
-Style/ArgumentsForwarding: # new in 1.1
-  Enabled: true
-Style/CollectionCompact: # new in 1.2
-  Enabled: true
-Style/DocumentDynamicEvalDefinition: # new in 1.1
-  Enabled: true
-Style/EndlessMethod: # new in 1.8
-  Enabled: true
-Style/HashConversion: # new in 1.10
-  Enabled: true
-Style/HashExcept: # new in 1.7
-  Enabled: true
-Style/IfWithBooleanLiteralBranches: # new in 1.9
-  Enabled: true
-Style/InPatternThen: # new in 1.16
-  Enabled: true
-Style/MultilineInPatternThen: # new in 1.16
-  Enabled: true
-Style/NegatedIfElseCondition: # new in 1.2
-  Enabled: true
-Style/NilLambda: # new in 1.3
-  Enabled: true
-Style/NumberedParameters: # new in 1.22
-  Enabled: true
-Style/NumberedParametersLimit: # new in 1.22
-  Enabled: true
-Style/QuotedSymbols: # new in 1.16
-  Enabled: true
-Style/RedundantArgument: # new in 1.4
-  Enabled: true
-Style/RedundantSelfAssignmentBranch: # new in 1.19
-  Enabled: true
-Style/SelectByRegexp: # new in 1.22
-  Enabled: true
-Style/StringChars: # new in 1.12
-  Enabled: true
 Style/StringLiterals:
   Enabled: true
   EnforcedStyle: double_quotes
 Style/StringLiteralsInInterpolation:
   Enabled: true
   EnforcedStyle: double_quotes
-Style/SwapValues: # new in 1.1
-  Enabled: true

Gemfile

@@ -11,18 +11,15 @@ danger = minimum_version.call("2.7")
 coverage = minimum_version.call("2.7")
 debug = minimum_version.call("2.4")
 overcommit = minimum_version.call("2.4")
-if overcommit
-  gem "overcommit", "~> 0.58"
-end
+gem "overcommit", "~> 0.58" if overcommit
 if danger
   gem "danger", "~> 8.4"
   # Those lines need to be added
-  plugin 'diffend'
+  plugin "diffend"
   # Monitor is required for production realtime notifications
-  gem 'diffend-monitor', require: %w[diffend/monitor]
+  gem "diffend-monitor", require: %w[diffend/monitor]
 end
 if linting
-  gem "rubocop-md"
   gem "rubocop-minitest"
   gem "rubocop-ruby2_0", "~> 1.0"
   gem "rubocop-thread_safety"