fix Issue 11540 - [ICE] CTFE segfault with try-catch-finally and goto
[Refactoring] Remove unnecessary DMDV1 ifdef

`Array` struct has `operator[]` in both D1 and D2 code.
Merge pull request #2822 from 9rnsr/fix11540

Issue 11540 - [ICE] CTFE segfault with try-catch-finally and goto