fix(stm): stop forcing rustls in the future_snark feature - #3439

     5 files  ± 0     209 suites  ±0   1h 22m 4s ⏱️ - 2m 27s
 3 354 tests + 5   3 354 ✅ + 5  0 💤 ±0  0 ❌ ±0 
11 120 runs  +20  11 120 ✅ +20  0 💤 ±0  0 ❌ ±0 

Results for commit d36a75b. ± Comparison against earlier commit 64c1b07.