Merge pull request #1889 from yasu551/remove-unnecessary-on_numblock-…

…method

Remove unnecessary `on_numblock` method

lib/rubocop/cop/rspec/expect_in_let.rb

@@ -22,7 +22,7 @@ class ExpectInLet < Base
         # @!method expectation(node)
         def_node_search :expectation, '(send nil? #Expectations.all ...)'
 
-        def on_block(node)
+        def on_block(node) # rubocop:disable InternalAffairs/NumblockHandler
           return unless let?(node)
           return if node.body.nil?
 
@@ -31,8 +31,6 @@ def on_block(node)
           end
         end
 
-        alias on_numblock on_block
-
         private
 
         def message(expect)