Remove version restriction on rake (#445)

annotate.gemspec

@@ -22,18 +22,7 @@ Gem::Specification.new do |s|
   s.rubygems_version = '2.1.11'
   s.summary = 'Annotates Rails Models, routes, fixtures, and others based on the database schema.'
 
-  if s.respond_to? :specification_version
-    s.specification_version = 4
-
-    if Gem::Version.new(Gem::VERSION) >= Gem::Version.new('1.2.0')
-      s.add_runtime_dependency(%q<rake>, ['>= 10.4', '< 12.1'])
-      s.add_runtime_dependency(%q<activerecord>, ['>= 3.2', '< 6.0'])
-    else
-      s.add_dependency(%q<rake>, ['>= 10.4', '< 12.1'])
-      s.add_dependency(%q<activerecord>, ['>= 3.2', '< 6.0'])
-    end
-  else
-    s.add_dependency(%q<rake>, ['>= 0.8.7'])
-    s.add_dependency(%q<activerecord>, ['>= 3.2', '< 6.0'])
-  end
+  s.specification_version = 4 if s.respond_to? :specification_version
+  s.add_runtime_dependency(%q<rake>, ['>= 10.4'])
+  s.add_runtime_dependency(%q<activerecord>, ['>= 3.2', '< 6.0'])
 end