Remove useless unless node type

Author: koic

lib/rubocop/cop/rails/find_by_or_assignment_memoization.rb

@@ -43,7 +43,7 @@ class FindByOrAssignmentMemoization < Base
         def on_send(node)
           assignment_node = node.parent
           find_by_or_assignment_memoization(assignment_node) do |varible_name, find_by|
-            next if in_condition?(assignment_node)
+            next if assignment_node.each_ancestor(:if).any?
 
             add_offense(assignment_node) do |corrector|
               corrector.replace(
@@ -59,12 +59,6 @@ def on_send(node)
             end
           end
         end
-
-        private
-
-        def in_condition?(node)
-          node.each_ancestor(:if, :unless).any?
-        end
       end
     end
   end

lib/rubocop/cop/rails/redundant_presence_validation_on_belongs_to.rb

@@ -74,7 +74,7 @@ class RedundantPresenceValidationOnBelongsTo < Base
             $[
               (hash <$(pair (sym :presence) true) ...>)         # presence: true
               !(hash <$(pair (sym :strict) {true const}) ...>)  # strict: true
-              !(hash <$(pair (sym {:if :unless}) _) ...>)       # if: some_condition or unless: some_condition
+              !(hash <$(pair (sym {:if}) _) ...>)               # if: some_condition or unless: some_condition
             ]
           )
         PATTERN