Remove literal tag (raw is more performant)

This reverts commit c00a650492.

test/lib/liquid/regexp_test.rb

@@ -41,9 +41,4 @@ class RegexpTest < Test::Unit::TestCase
     assert_equal ['var', '["method"]', '[0]'],          'var["method"][0]'.scan(VariableParser)
     assert_equal ['var', '[method]', '[0]', 'method'],  'var[method][0].method'.scan(VariableParser)
   end
-
-  def test_literal_shorthand_regexp
-    assert_equal [["{% if 'gnomeslab' contains 'liquid' %}yes{% endif %}"]],
-    "{{{ {% if 'gnomeslab' contains 'liquid' %}yes{% endif %} }}}".scan(LiteralShorthand)
-  end
 end # RegexpTest

test/lib/liquid/tags/literal_test.rb

@@ -1,39 +0,0 @@
-require 'test_helper'
-
-class LiteralTagTest < Test::Unit::TestCase
-  include Liquid
-
-  def test_empty_literal
-    assert_template_result '', '{% literal %}{% endliteral %}'
-    assert_template_result '', '{{{}}}'
-  end
-
-  def test_simple_literal_value
-    assert_template_result 'howdy',
-                           '{% literal %}howdy{% endliteral %}'
-  end
-
-  def test_literals_ignore_liquid_markup
-    expected = %({% if 'gnomeslab' contain 'liquid' %}yes{ % endif %})
-    template = %({% literal %}#{expected}{% endliteral %})
-
-    assert_template_result expected, template
-  end
-
-  def test_shorthand_syntax
-    expected = %({% if 'gnomeslab' contain 'liquid' %}yes{ % endif %})
-    template = %({{{#{expected}}}})
-
-    assert_template_result expected, template
-  end
-
-  # Class methods
-  def test_from_shorthand
-    assert_equal '{% literal %}gnomeslab{% endliteral %}', Liquid::Literal.from_shorthand('{{{gnomeslab}}}')
-  end
-
-  def test_from_shorthand_ignores_improper_syntax
-    text = "{% if 'hi' == 'hi' %}hi{% endif %}"
-    assert_equal text, Liquid::Literal.from_shorthand(text)
-  end
-end # AssignTest