LOS ANGELES—The Los Angeles city clerk approved a petition for circulation on Feb. 3 that aims to have the city council repeal its requirement that people show proof of vaccination against COVID-19 before entering certain indoor public spaces and outdoor mega-events. According to the Los Angeles city charter, the petition needs 15 percent of the total votes cast for the most recent mayoral election, which was held in 2017. The city clerk said Thursday that it needs nearly 65,000 registered Los Angeles voters to sign the petition within 120 days of the completed petition’s filing. The petition must also be filed within two years of its approval. If the petition receives enough signatures but the city council does not adopt the ordinance, it will be presented to voters. The proposed ordinance would repeal the city’s proof of vaccination requirement to enter the indoor portions of certain locations, outdoor large events, …