List of Dart Kata to Update

The following kata needs some update to enable Dart 2.14.

1. Alphabet symmetry
2. An Intro to Quantum Concepts #2
3. Best travel
4. Buddy Pairs
5. Consecutive letters
6. Consecutive strings
7. Consonant value
8. Count the smiley faces!
9. Esolang Interpreters #3 - Custom Paintf**k Interpreter
10. Esolang Interpreters #4 - Boolfuck Interpreter
11. Evaluate mathematical expression
12. Factorial decomposition
13. Fix string case
14. If you can't beat 'em, join 'em!
15. John and Ann sign up for Codewars
16. k-Primes
17. Longest vowel chain
18. Mumbling
19. My smallest code interpreter (aka Brainf**k)
20. New Cashier Does Not Know About Space or Shift
21. Projectile Motion
22. Reversing a Process
23. Schrödinger's Boolean
24. Screen Locking Patterns
25. Simple remove duplicates
26. Steps in k-primes
27. Steps in Primes
28. String prefix and suffix
29. Sum by Factors
30. Tiny Three-Pass Compiler
31. To BrainFuck Transpiler
32. Total area covered by rectangles
33. TV Remote (symbols)
34. TV Remote (wrap)