remove scoreboard tests and related templates #1645

Job	Run time
pre-commit / check-file-sizes	6s
pre-commit / pre-commit	2m 4s
mac / clang-build (Debug)	3m 9s
ubuntu / clang-build (ubuntu-24.04)	3m 12s
windows / msvc-build (Debug)	2m 57s
windows / msvc-build (Release)	2m 30s
mac / clang-build (Release)	3m 36s
ubuntu / gcc-build (ubuntu-24.04, Release)	2m 47s
ubuntu / gcc-build (ubuntu-24.04, Debug)	2m 29s
windows / clang-build	2m 28s
windows / clang-test	0s
windows / clang-test-extended	0s
ubuntu / gcc-test (ubuntu-24.04)	30s
windows / msvc-test	0s
windows / msvc-test-extended	-1s
ubuntu / clang-sanitizer-build (ubuntu-24.04)	3m 10s
ubuntu / clang-test (ubuntu-24.04)	32s
ubuntu / gcc-test-extended	0s
mac / clang-test	1m 17s
ubuntu / clang-test-extended	0s
ubuntu / gcc-build-codecov	0s
mac / clang-test-extended	-1s
ubuntu / clang-sanitizer-test (ubuntu-24.04)	31s
ubuntu / clang-sanitizer-test-extended	0s
pages	0s
perf	0s
	31m 16s

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