remove redundant code

Author: damnMeddlingKid

ext/liquid_c/block.c

@@ -219,12 +219,6 @@ static tag_markup_t internal_block_body_parse(block_body_t *body, parse_context_
                     break;
                 }
 
-                if ((name_len == 4 && strncmp(name_start, "else", 4) == 0) || (name_len == 5 && strncmp(name_start, "endif", 5) == 0)) {
-                    VALUE str = rb_enc_str_new(name_start, name_len, utf8_encoding);
-                    unknown_tag = (tag_markup_t) { str, str };
-                    goto loop_break;
-                }
-
                 const char *markup_start = read_while(name_end, end, rb_isspace);
                 VALUE markup = rb_enc_str_new(markup_start, end - markup_start, utf8_encoding);
                 VALUE tag_name = rb_enc_str_new(name_start, name_end - name_start, utf8_encoding);