Revert "fix: block scope of for loop"

This reverts commit ac85e9c.

crates/oxc_minifier/src/ast_passes/peephole_remove_dead_code.rs

@@ -215,10 +215,6 @@ impl<'a, 'b> PeepholeRemoveDeadCode {
                         } else {
                             var_decl = Some(ctx.ast.move_variable_declaration(var_init));
                         }
-                    } else {
-                        // block scope
-                        // for(const/let x = 1; false; ) { ... }
-                        var_decl = None;
                     }
                 }
 
@@ -373,8 +369,6 @@ mod test {
         fold("for (var se = [1, 2]; false;);", "var se = [1, 2];");
         fold("for (var se = [1, 2]; false;) { var a = 0; }", "var se = [1, 2], a;");
 
-        fold("for (let se = [1, 2]; false;) { var a = 0; }", "");
-
         // fold("l1:for(;false;) {  }", "");
     }