fix: update README to reflect removing background playlist syncing #194

Job	Run time
build (ubuntu-20.04, 1.22, amd64)	1m 14s
build (ubuntu-20.04, 1.22, arm64)	47s
build (ubuntu-20.04, 1.22, arm)	48s
build (ubuntu-20.04, 1.22, riscv64)	58s
build (ubuntu-20.04, stable, amd64)	1m 19s
build (ubuntu-20.04, stable, arm64)	1m 14s
build (ubuntu-20.04, stable, arm)	50s
build (ubuntu-20.04, stable, riscv64)	47s
build (ubuntu-22.04, 1.22, amd64)	44s
build (ubuntu-22.04, 1.22, arm64)	53s
build (ubuntu-22.04, 1.22, arm)	41s
build (ubuntu-22.04, 1.22, riscv64)	43s
build (ubuntu-22.04, stable, amd64)	37s
build (ubuntu-22.04, stable, arm64)	44s
build (ubuntu-22.04, stable, arm)	46s
build (ubuntu-22.04, stable, riscv64)	43s
build (ubuntu-latest, 1.22, amd64)	45s
build (ubuntu-latest, 1.22, arm64)	39s
build (ubuntu-latest, 1.22, arm)	47s
build (ubuntu-latest, 1.22, riscv64)	46s
build (ubuntu-latest, stable, amd64)	33s
build (ubuntu-latest, stable, arm64)	1m 8s
build (ubuntu-latest, stable, arm)	37s
build (ubuntu-latest, stable, riscv64)	1m 17s
screenshot	0s
	20m 20s

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