[playground] fix jsoo_refmt_main, remove load_modules as not necessary #4408
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Adds
"/static"to directory injsoo_refmt_main(likejsoo_main).Removes
load_modulesas it's not needed anymore. Usingjs_of_ocaml.bc build-fscreates a JS file that will add a file to jsoo pseudo file system directly when loaded, removing the need for providing an API hook on the compiler.cc @ryyppy