Revert "Add end tag support (#1823)"

This reverts commit 27ead517ee.

test/integration/block_test.rb

@@ -5,31 +5,9 @@ require 'test_helper'
 class BlockTest < Minitest::Test
   include Liquid
 
-  def test_simple_end_tag
-    assert_template_result('you rock', '{% if true %}you rock{% end %}')
-    assert_template_result('you rock', '{% if true %}{% unless false %}you rock{% end %}{% end %}')
-  end
-
   def test_unexpected_end_tag
     source = '{% if true %}{% endunless %}'
-    assert_match_syntax_error("Liquid syntax error (line 1): 'endunless' is not a valid delimiter for if tags. use end or endif", source)
-  end
-
-  def test_end_closes_closest_open_tag
-    source = '{% if true %}{% unless true %}{% end %}{% endunless %}'
-    assert_match_syntax_error("Liquid syntax error (line 1): 'endunless' is not a valid delimiter for if tags. use end or endif", source)
-  end
-
-  # comments are special and can't be closed by `end`
-  def test_unexpected_end_tag_comment
-    source = '{% comment %}{% end %}'
-    assert_match_syntax_error("Liquid syntax error (line 1): 'comment' tag was never closed", source)
-  end
-
-  # raw is special and can't be closed by `end`
-  def test_unexpected_end_tag_raw
-    source = '{% raw %}{% end %}'
-    assert_match_syntax_error("Liquid syntax error (line 1): 'raw' tag was never closed", source)
+    assert_match_syntax_error("Liquid syntax error (line 1): 'endunless' is not a valid delimiter for if tags. use endif", source)
   end
 
   def test_with_custom_tag

test/integration/tags/if_else_tag_test.rb

@@ -12,7 +12,6 @@ class IfElseTagTest < Minitest::Test
       ' {% if true %} this text should go into the output {% endif %} ',
     )
     assert_template_result('  you rock ?', '{% if false %} you suck {% endif %} {% if true %} you rock {% endif %}?')
-    assert_template_result('  you rock ?', '{% if false %} you suck {% endif %} {% if true %} you rock {% end %}?')
   end
 
   def test_literal_comparisons

test/integration/tags/liquid_tag_test.rb

@@ -106,11 +106,6 @@ class LiquidTagTest < Minitest::Test
       42
       {%- liquid endif -%}
     LIQUID
-    assert_match_syntax_error("syntax error (line 3): 'end' is not a valid delimiter for liquid tags. use %}", <<~LIQUID)
-      {%- if true -%}
-      42
-      {%- liquid end -%}
-    LIQUID
   end
 
   def test_liquid_tag_in_raw
@@ -128,15 +123,6 @@ class LiquidTagTest < Minitest::Test
           endif
       -%}
     LIQUID
-
-    assert_template_result('good', <<~LIQUID)
-      {%- liquid
-        liquid
-          if true
-            echo "good"
-          end
-      -%}
-    LIQUID
   end
 
   def test_nested_liquid_tags_on_same_line

test/integration/tags/raw_tag_test.rb

@@ -10,10 +10,6 @@ class RawTagTest < Minitest::Test
       '{% comment %} test {% endcomment %}',
       '{% raw %}{% comment %} test {% endcomment %}{% endraw %}',
     )
-    assert_template_result(
-      '',
-      '{% comment %} {% if true %}{% end %} {% endcomment %}',
-    )
   end
 
   def test_output_in_raw

test/integration/tags/standard_tag_test.rb

@@ -38,7 +38,6 @@ class StandardTagTest < Minitest::Test
     assert_template_result('', '{%comment%}{%blabla%}{%endcomment%}')
     assert_template_result('', '{% comment %}{% blabla %}{% endcomment %}')
     assert_template_result('', '{%comment%}{% endif %}{%endcomment%}')
-    assert_template_result('', '{%comment%}{% end %}{%endcomment%}')
     assert_template_result('', '{% comment %}{% endwhatever %}{% endcomment %}')
     assert_template_result('', '{% comment %}{% raw %} {{%%%%}}  }} { {% endcomment %} {% comment {% endraw %} {% endcomment %}')
     assert_template_result('', '{% comment %}{% " %}{% endcomment %}')