Remove test that doesn't add value

Library/Homebrew/test/test_ENV.rb

@@ -7,17 +7,6 @@ class EnvironmentTests < Test::Unit::TestCase
     @env.activate_extensions!
   end
 
-  def test_ENV_options
-    @env.gcc_4_0
-    @env.O3
-    @env.minimal_optimization
-    @env.no_optimization
-    @env.libxml2
-    @env.enable_warnings
-    assert !@env.cc.empty?
-    assert !@env.cxx.empty?
-  end
-
   def test_switching_compilers
     @env.llvm
     @env.clang