remove workarounds (#1059)
remove workarounds (#1059)

* remove copy .deps.json and runtime.config.json workaround

fixed by https://github.com/fsharp/FsAutoComplete/commit/bd5ad65b939dac93c4bb39aa2ccb4d526b32d7e2

* remove add default manifest workaround

fixed by https://github.com/fsharp/FsAutoComplete/commit/9a35503f78382059b0efbfe3a53ea44c73a9629b

ionide/ionide-vscode-fsharp,ionide/ionide-vscode-fsharp