Tweak the message displayed when trying to acquire OmniSharp on an unsupported Linux distro
Tweak the message displayed when trying to acquire OmniSharp on an unsupported Linux distro

OmniSharp/omnisharp-vscode,OmniSharp/omnisharp-vscode,gregg-miskelly/omnisharp-vscode,gregg-miskelly/omnisharp-vscode,OmniSharp/omnisharp-vscode,gregg-miskelly/omnisharp-vscode,OmniSharp/omnisharp-vscode,seraku24/omnisharp-vscode,gregg-miskelly/omnisharp-vscode,seraku24/omnisharp-vscode,OmniSharp/omnisharp-vscode