Remove deprecated methods from NWBFile #1634

Job	Run time
conda-linux-python3.9-minimum	6m 30s
conda-linux-python3.13-upgraded	4m 48s
conda-linux-gallery-python3.13-ros3	1m 14s
linux-gallery-python3.9-minimum	2m 9s
linux-gallery-python3.13-upgraded	4m 10s
conda-linux-python3.13-ros3	1m 25s
windows-gallery-python3.9-minimum	2m 43s
linux-python3.9-minimum	6m 37s
linux-python3.13-upgraded	5m 0s
windows-python3.9-minimum	6m 27s
windows-gallery-python3.13-upgraded	6m 30s
windows-python3.13-upgraded	6m 26s
macos-python3.9-minimum	6m 36s
macos-python3.13-upgraded	2m 45s
Deploy pre-release from dev	1s
	1h 3m 21s

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