LanguageModuleRequirement: remove node support

Library/Homebrew/dependency_collector.rb

@@ -18,7 +18,7 @@ require "set"
 class DependencyCollector
   # Define the languages that we can handle as external dependencies.
   LANGUAGE_MODULES = Set[
-    :jruby, :lua, :node, :ocaml, :perl, :python, :python3, :ruby
+    :jruby, :lua, :ocaml, :perl, :python, :python3, :ruby
   ].freeze
 
   CACHE = {}

Library/Homebrew/requirements/language_module_requirement.rb

@@ -24,7 +24,6 @@ class LanguageModuleRequirement < Requirement
     when :jruby then %W[/usr/bin/env jruby -rubygems -e require\ '#{@import_name}']
     when :lua then %W[/usr/bin/env luarocks-5.2 show #{@import_name}]
     when :lua51 then %W[/usr/bin/env luarocks-5.1 show #{@import_name}]
-    when :node then %W[/usr/bin/env node -e require('#{@import_name}');]
     when :ocaml then %W[/usr/bin/env opam list --installed #{@import_name}]
     when :perl then %W[/usr/bin/env perl -e use\ #{@import_name}]
     when :python then %W[/usr/bin/env python -c import\ #{@import_name}]
@@ -38,7 +37,6 @@ class LanguageModuleRequirement < Requirement
     when :jruby   then "jruby -S gem install"
     when :lua     then "luarocks-5.2 install"
     when :lua51   then "luarocks-5.1 install"
-    when :node    then "npm install"
     when :ocaml   then "opam install"
     when :perl    then "cpan -i"
     when :python  then "pip install"

Library/Homebrew/test/test_language_module_requirement.rb

@@ -50,14 +50,4 @@ class LanguageModuleRequirementTests < Homebrew::TestCase
   def test_good_ruby_deps
     assert_deps_pass "date" => :ruby
   end
-
-  if which("node")
-    def test_bad_node_deps
-      assert_deps_fail "notapackage" => :node
-    end
-
-    def test_good_node_deps
-      assert_deps_pass "util" => :node
-    end
-  end
 end