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

All 46 tests pass, 1 skipped in 4m 24s

7 files ±0 7 suites ±0 4m 24s ⏱️ -11s
47 tests ±0 46 ✅ +2 1 💤 ±0 0 ❌ ±0
182 runs ±0 179 ✅ +6 3 💤 ±0 0 ❌ ±0

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