Remove get_node_value #770

Job	Run time
Run linters with pre-commit	1m 33s
Determine Python versions	4s
Test building the documentation	1m 59s
Python 3.11 on ubuntu-20.04 (standalone: false, 32bit: false)	45m 57s
Python 3.11 on ubuntu-20.04 (standalone: false, 32bit: true)	32m 21s
Python 3.11 on ubuntu-20.04 (standalone: true, 32bit: false)	32m 31s
Python 3.11 on ubuntu-20.04 (standalone: true, 32bit: true)	38m 45s
Python 3.11 on windows-2019 (standalone: false, 32bit: false)	1h 18m 59s
Python 3.11 on windows-2019 (standalone: false, 32bit: true)	1h 19m 35s
Python 3.11 on windows-2019 (standalone: true, 32bit: false)	30m 58s
Python 3.11 on windows-2019 (standalone: true, 32bit: true)	29m 28s
Python 3.11 on macOS-11 (standalone: false, 32bit: false)	50m 0s
Python 3.11 on macOS-11 (standalone: false, 32bit: true)	50m 20s
Python 3.11 on macOS-11 (standalone: true, 32bit: false)	28m 54s
Python 3.11 on macOS-11 (standalone: true, 32bit: true)	28m 30s
Python 3.9 on ubuntu-20.04 (standalone: false, 32bit: false)	41m 2s
Python 3.9 on ubuntu-20.04 (standalone: true, 32bit: false)	36m 14s
Indicate completion to coveralls.io	23s
	10h 7m 33s

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