Delete code that was only used by Ruby 2.6.x

lib/arkana/encoder.rb

@@ -1,7 +1,6 @@
 # frozen_string_literal: true
 
 require "arkana/helpers/string"
-require "arkana/helpers/enumerable"
 
 # The encoder is responsible for finding the env vars for given keys, encoding them, and creating Secrets based on the generated data.
 module Encoder

spec/kotlin_code_generator_spec.rb

@@ -44,16 +44,8 @@
     let(:kotlin_sources_dir) { File.join(kotlin_module_dir, "src", "main", config.kotlin_sources_path, config.kotlin_package_name.split(".")) }
     let(:kotlin_tests_dir) { File.join(kotlin_module_dir, "src", "test", config.kotlin_sources_path, config.kotlin_package_name.split(".")) }
 
-    # NOTE: Can't use:
-    # def path(...)
-    #   Pathname.new(File.join(...))
-    # end
-    # Until the minimum target version is Ruby 2.7
-    def path(arg1, arg2, arg3 = nil)
-      arg1and2 = File.join(arg1, arg2)
-      return Pathname.new(arg1and2) unless arg3
-
-      Pathname.new(File.join(arg1and2, arg3)) if arg3
+    def path(...)
+      Pathname.new(File.join(...))
     end
 
     it "generates all necessary directories and files" do

spec/swift_code_generator_spec.rb

@@ -43,16 +43,8 @@
     let(:swift_package_dir) { File.join(config.result_path, config.import_name) }
     let(:interface_swift_package_dir) { File.join(config.result_path, "#{config.import_name}Interfaces") }
 
-    # NOTE: Can't use:
-    # def path(...)
-    #   Pathname.new(File.join(...))
-    # end
-    # Until the minimum target version is Ruby 2.7
-    def path(arg1, arg2, arg3 = nil)
-      arg1and2 = File.join(arg1, arg2)
-      return Pathname.new(arg1and2) unless arg3
-
-      Pathname.new(File.join(arg1and2, arg3)) if arg3
+    def path(...)
+      Pathname.new(File.join(...))
     end
 
     it "generates all necessary directories and files" do