Disable single instance app on Linux for now (Electron bug)
Disable single instance app on Linux for now (Electron bug)

On Linux, app.makeSingleInstance is always returning true (i.e. "this
is not the original process").

lbryio/lbry-electron,jsigwart/lbry-app,jsigwart/lbry-app,lbryio/lbry-app,akinwale/lbry-app,MaxiBoether/lbry-app,lbryio/lbry-electron,MaxiBoether/lbry-app,akinwale/lbry-app,jsigwart/lbry-app,akinwale/lbry-app,MaxiBoether/lbry-app,MaxiBoether/lbry-app,lbryio/lbry-app,akinwale/lbry-app,lbryio/lbry-electron,jsigwart/lbry-app