Remove unused field #11411

Job	Run time
Test ./dev.sh and benchmark	1m 53s
Linux (python=3.11 cc=gcc sanitize=1)	2m 22s
macOS Brew	5m 42s
Linux (python=3.12 cc=clang sanitize=1)	2m 39s
Linux (python=3.10 cc=gcc sanitize=0)	1m 54s
Bundle test (ubuntu-latest)	2m 49s
Bundle test (macos-latest)	2m 39s
Linux package	3m 16s
	23m 14s

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