Synchronously invokes the <link linkend="gdbus-method-org-gnome-OnlineAccounts-Account.
Remove">Remove</link> D-Bus method on this. The calling thread is blocked until a
reply is received.
See call_remove for the asynchronous version of this method.
| this |
A AccountProxy. |
| cancellable |
A Cancellable or null. |
|
true if the call succeeded, false if throws is set. |