Tyler Robinson -- the 22-year-old accused of murdering Charlie Kirk -- and his lawyers want cameras out of the courtroom to ensure a fair trial ... but the prosecution says, if anything, closed-door hearings will just encourage more outlandish publicity. In court documents, obtained by TMZ, prosecutors ask for cameras to be allowed in the courtroom, saying, "keeping court proceedings as public as possible helps to quell and contradict the tide of misinformation," while secrecy fuels conspiracy