Trim down even more

Author: kddnewton

lib/syntax_tree.rb

@@ -1,14 +1,10 @@
 # frozen_string_literal: true
 
 require "prettier_print"
-require "pp"
 require "ripper"
 
-require_relative "syntax_tree/node"
-require_relative "syntax_tree/basic_visitor"
-require_relative "syntax_tree/visitor"
-
 require_relative "syntax_tree/formatter"
+require_relative "syntax_tree/node"
 require_relative "syntax_tree/parser"
 require_relative "syntax_tree/version"
 

lib/syntax_tree/basic_visitor.rb

@@ -529,10 +529,6 @@ def format(q)
     def ===(other)
       other.is_a?(AliasNode) && left === other.left && right === other.right
     end
-
-    def var_alias?
-      left.is_a?(GVar)
-    end
   end
 
   # ARef represents when you're pulling a value out of a collection at a