remove redundant code

.gitignore

@@ -11,3 +11,5 @@ instruments*.trace
 *.cpu
 *.object
 *.dSYM
+.vscode/
+vendor/

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);
@@ -318,8 +312,6 @@ tag_markup_t parse_if_tag(VALUE markup, block_body_t *body, parse_context_t *par
     VALUE condition_obj = parse_single_binary_comparison(markup);
     vm_assembler_add_op_with_constant(body_code, condition_obj, OP_EVAL_CONDITION);
 
-    uint8_t* instruction;
-
     ptrdiff_t exit_branches[10];
     ptrdiff_t* exit_start = exit_branches;
     ptrdiff_t* exit_end = exit_branches;