Enable all new RuboCop cops by default

.rubocop.yml

@@ -2,15 +2,6 @@ require:
   - rubocop-performance
   - rubocop-rspec
 
-Lint/RaiseException:
-  Enabled: true
-Lint/StructNewOverride:
-  Enabled: true
-Lint/DeprecatedOpenSSLConstant:
-  Enabled: true
-Lint/MixedRegexpCaptureTypes:
-  Enabled: true
-
 Layout/IndentationStyle:
   EnforcedStyle: tabs
 Layout/IndentationWidth:
@@ -21,27 +12,6 @@ Layout/ParameterAlignment:
   EnforcedStyle: with_fixed_indentation
 Layout/FirstArrayElementIndentation:
   EnforcedStyle: consistent
-Layout/SpaceAroundMethodCallOperator:
-  Enabled: true
-Layout/EmptyLinesAroundAttributeAccessor:
-  Enabled: true
-
-Style/HashEachMethods:
-  Enabled: true
-Style/HashTransformKeys:
-  Enabled: true
-Style/HashTransformValues:
-  Enabled: true
-Style/ExponentialNotation:
-  Enabled: true
-Style/SlicingWithRange:
-  Enabled: true
-Style/RedundantFetchBlock:
-  Enabled: true
-Style/RedundantRegexpCharacterClass:
-  Enabled: true
-Style/RedundantRegexpEscape:
-  Enabled: true
 
 RSpec/NestedGroups:
   Max: 4
@@ -51,6 +21,7 @@ RSpec/DescribeClass:
 
 AllCops:
   TargetRubyVersion: 2.4
+  NewCops: enable
 
 Metrics/BlockLength:
   Exclude: