[TaskCenter][4/n] Remove TaskCenter/Metadata references from Bifrost #3431

All 46 tests pass, 1 skipped in 1m 56s

5 files - 2 5 suites - 2 1m 56s ⏱️ - 2m 39s
47 tests ± 0 46 ✅ + 2 1 💤 ±0 0 ❌ ±0
119 runs - 63 117 ✅ - 56 2 💤 - 1 0 ❌ ±0

Results for commit 1df1252. ± Comparison against earlier commit eb2d796.