TMA-801: Update rubocop

Author: panjan

.rubocop.yml

@@ -90,9 +90,6 @@ SignalException:
 TimesMap:
   Enabled: false
 
-UnneededDisable:
-  Enabled: false
-
 UnneededInterpolation:
   Enabled: false
 

gooddata.gemspec

@@ -35,7 +35,7 @@ Gem::Specification.new do |s|
   s.add_development_dependency 'rspec', '~> 3.5'
   s.add_development_dependency 'rspec-expectations', '~> 3.5'
   s.add_development_dependency 'rspec_junit_formatter', '~> 0.3.0'
-  s.add_development_dependency 'rubocop', '< 0.48' # TODO: remove it after dealing with new rules introduced in 0.48 version
+  s.add_development_dependency 'rubocop', '~> 0.59.1'
   s.add_development_dependency 'simplecov', '~> 0.12'
   s.add_development_dependency 'webmock', '~> 2.3.1'
   s.add_development_dependency 'yard', '~> 0.9.11'