Get rid of "instance variable not initialized" warnings

Author: numbata

lib/super_diff/operational_sequencers/hash.rb

@@ -108,7 +108,6 @@ def unary_operations_using_variant_of_patience_algorithm
               start_index.upto(eks.size - 1) do |ei2|
                 ek = eks[ei2]
                 ev, av2 = expected[ek], actual[ek]
-                ai2 = aks.index(ek)
 
                 if actual.include?(ek) && ev == av2
                   # If the key in 'expected' we've landed on happens to be a

lib/super_diff/rspec/operational_sequencers/collection_containing_exactly.rb

@@ -7,7 +7,7 @@ def self.applies_to?(expected, actual)
             actual.is_a?(::Array)
         end
 
-        def initialize(actual:, **rest)
+        def initialize(actual:, **)
           super
           populate_pairings_maximizer_in_expected_with(actual)
         end