chore: removing protected-topic cli flg (#3160) #5709

Job	Run time
changes	6s
test-ubuntu-22.04	31m 37s
build-ubuntu-22.04	21m 24s
test-macos-13	27m 20s
build-macos-13	25m 3s
build-docker-image / docker-build-ubuntu-22.04	4m 46s
js-waku-node-optional / node	1m 34s
js-waku-node / node	6h 0m 13s
Lint	45s
	7h 52m 48s

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