chore: remove leftover debugging printlns #2147

Job	Run time
build (1.20.x, amd64, linux, ./pkg/amino/cmd/aminoscan)	7s
build (1.20.x, amd64, linux, ./pkg/amino/cmd/goscan)	17s
build (1.20.x, amd64, linux, ./pkg/autofile/cmd)	13s
build (1.20.x, amd64, linux, ./pkg/iavl/cmd/iaviewer)	23s
build (1.21.x, amd64, linux, ./pkg/amino/cmd/aminoscan)	35s
build (1.21.x, amd64, linux, ./pkg/amino/cmd/goscan)	39s
build (1.21.x, amd64, linux, ./pkg/autofile/cmd)	16s
build (1.21.x, amd64, linux, ./pkg/iavl/cmd/iaviewer)	16s
test (1.20.x, _test.flappy)	46s
test (1.20.x, _test.pkg.amino)	1m 41s
test (1.20.x, _test.pkg.bft)	2m 27s
test (1.20.x, _test.pkg.others)	2m 20s
test (1.21.x, _test.flappy)	20s
test (1.21.x, _test.pkg.amino)	1m 32s
test (1.21.x, _test.pkg.bft)	2m 35s
test (1.21.x, _test.pkg.others)	2m 32s
upload-coverage	11s
	17m 10s

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