Revert changes for .rubocop.yml

.rubocop.yml

@@ -1,5 +1,5 @@
 AllCops:
-  TargetRubyVersion: 2.7.0
+  TargetRubyVersion: 2.3.0
   Exclude:
     - "tmp/**/*"
     - "bin/*"
@@ -11,7 +11,7 @@ Bundler/OrderedGems:
 Gemspec/OrderedDependencies:
   Enabled: false
 
-Layout/ParameterAlignment:
+Layout/AlignParameters:
   Enabled: true
   EnforcedStyle: with_fixed_indentation
 Layout/ConditionPosition:
@@ -20,7 +20,7 @@ Layout/DotPosition:
   EnforcedStyle: leading
 Layout/ExtraSpacing:
   Enabled: true
-Layout/AssignmentIndentation:
+Layout/IndentAssignment:
   Enabled: False
 Layout/MultilineOperationIndentation:
   Enabled: true
@@ -33,7 +33,7 @@ Lint/AmbiguousOperator:
   Enabled: true
 Lint/AmbiguousRegexpLiteral:
   Enabled: true
-Lint/DuplicateHashKey:
+Lint/DuplicatedKey:
   Enabled: true
 
 Metrics/ClassLength: