chore: add comment on redundant check being done in recover_polynomial_coeff #397

Job	Run time
Build - x86_64-unknown-linux-gnu	1m 10s
Build - aarch64-unknown-linux-gnu	1m 22s
Build - aarch64-apple-darwin	1m 12s
Build - x86_64-apple-darwin	1m 12s
Build - x86_64-pc-windows-gnu	4m 33s
Test - x86_64-unknown-linux-gnu	33s
Test - aarch64-unknown-linux-gnu	31s
Test - x86_64-apple-darwin	13s
Test - aarch64-apple-darwin	24s
Test - x86_64-pc-windows-gnu	32s
Publish	0s
	11m 42s

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