Formula One champions Red Bull have decided to abandon plans for fan-inspired livery takeovers at the Singapore and United State grands prix over concerns about the extra weight of new paint schemes. “Unfortunately when we came to the testing phase of what some REBL CUSTMS designs could look like, in real life, on the RB20, we found the paint used to create these bespoke full car takeover liveries added unforeseen and undue weight to the bodywork of the RB20,” Red Bull said in a statement. The team had invited fans on social media to come up with designs that would be used at the races in Brit…