HONG KONG—A Hong Kong clothing chain popular with democracy supporters said on Thursday it will shut its stores by the end of 2022, citing landlords’ reluctance to renew leases coupled with complaints leading to investigations by various government departments. Originally a children’s clothes chain, Chickeeduck became known for selling protest-themed items, including shirts that made humorous puns of pro-democracy slogans. It gained popularity among democracy activists last year when owner Herbert Chow refused a request from his landlord to remove a statue of a protester in helmet, gas mask, and goggles. The shop moved to a new location and reinstated the statue, where it still stands. In early May, national security police cordoned off the area of a Chickeeduck shop and searched its premises with a warrant, with police saying they responded to complaints from the public. This month, authorities ordered one of the shops to remove a bronze statue …