.rubocop.yml in appium_lib-10.6.0 vs .rubocop.yml in appium_lib-11.0.0

@@ -1,7 +1,7 @@
 AllCops:
-  TargetRubyVersion: 2.3
+  TargetRubyVersion: 2.4
 Metrics/LineLength:
   Max: 128
 Metrics/MethodLength:
   Enabled: false
 Metrics/ModuleLength:
@@ -22,15 +22,9 @@
   Enabled: false
 # blocked on https://github.com/appium/ruby_lib/issues/312. Already removed from core part
 Style/GlobalVars:
   Enabled: false
 Style/PercentLiteralDelimiters:
-  Enabled: false
-# Can use over Ruby2.3
-Style/SafeNavigation:
-  Enabled: false
-# Can use over Ruby2.3
-Style/NumericPredicate:
   Enabled: false
 Style/CommentedKeyword:
   Enabled: false
 Naming/AccessorMethodName:
   Enabled: false