[backport 2.3.x] TST (string dtype): clean-up assorted xfails (#60345… #21090

Job	Run time
Linux-32-bit	19m 52s
Linux-Musl	20m 49s
python-dev (macOS-13)	28m 42s
python-dev (macOS-14)	13m 18s
python-dev (ubuntu-22.04)	23m 28s
python-dev (windows-latest)	26m 23s
macos-13 actions-310.yaml	49m 55s
macos-13 actions-311.yaml	48m 7s
macos-13 actions-312.yaml	59m 44s
macos-13 actions-39.yaml	42m 3s
macos-14 actions-310.yaml	31m 53s
macos-14 actions-311.yaml	29m 49s
macos-14 actions-312.yaml	31m 21s
macos-14 actions-39.yaml	31m 11s
windows-latest actions-311.yaml	1h 6m 6s
windows-latest actions-312.yaml	1h 11m 9s
windows-latest actions-310.yaml	1h 5m 56s
windows-latest actions-39.yaml	38m 15s
ubuntu-latest actions-310.yaml	1h 16m 42s
Copy-on-Write 3.10 (warnings)	50m 55s
Copy-on-Write 3.10	50m 40s
ubuntu-latest actions-311.yaml	1h 11m 45s
Future infer strings (without pyarrow)	1h 9m 56s
Locale: zh_CN	49m 55s
Copy-on-Write 3.11	50m 41s
Copy-on-Write 3.11 (warnings)	48m 52s
Locale: it_IT	50m 2s
Downstream Compat	6m 48s
Numpy Dev	22m 27s
Pyarrow Nightly	23m 57s
ubuntu-latest actions-312.yaml	59m 58s
Future infer strings	1h 1m 43s
Copy-on-Write 3.12	54m 28s
ubuntu-latest actions-39.yaml	49m 47s
Copy-on-Write 3.9 (warnings)	28m 20s
Copy-on-Write 3.9	28m 36s
Minimum Versions	27m 44s
Pypy	8m 12s
	1d 2h 29m 29s

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