Remove accidentally-left println!s #252

Job	Run time
Formatting	22s
Test derive on stable	1m 1s
Test derive on nightly	1m 23s
Test on stable ()	1m 52s
Test derive on 1.64.0	3m 59s
Test on stable (--no-default-features)	1m 43s
Documentation	1m 9s
Test on stable (--no-default-features --features default-rustls)	2m 19s
Test on nightly ()	1m 26s
Test on nightly (--no-default-features)	1m 14s
Test on nightly (--no-default-features --features default-rustls)	1m 34s
Test on 1.64.0 ()	4m 52s
Test on 1.64.0 (--no-default-features)	4m 30s
Test on 1.64.0 (--no-default-features --features default-rustls)	5m 1s
	32m 25s

Provide feedback