Remove deprecated configurationSection from synchronize options
Remove deprecated configurationSection from synchronize options

See https://github.com/Microsoft/vscode-languageserver-node/blob/9c26d2b58a441698a8e7790ce46c667dc4e2e199/client/src/client.ts#L292-L301

rubyide/vscode-ruby,rubyide/vscode-ruby,rubyide/vscode-ruby,rubyide/vscode-ruby,rubyide/vscode-ruby