By Emily Chow and Roxanne Liu SHANGHAI/BEIJING (Reuters) -Shanghai said on Sunday “unreasonable” curbs on businesses will be removed from June 1 as it looks to lift its COVID-19 lockdown, while Beijing reopened parts of its public transport as well as some malls and other venues as infections stabilised. The Chinese commercial hub of 25 million people aims to essentially end from Wednesday a two-month lockdown that has severely damaged the economy and seen many residents lose income, struggle to source food and to cope with the isolation. The painful coronavirus curbs in major Chinese cities r…