remove use of tinyfiledialogs

It will pass the message text to the shell without proper quoting
which results in it running all sorts of garbage depending on
the message you're trying to display.

Very scary!

refs: https://github.com/jdm/tinyfiledialogs-rs/issues/19

Cargo.toml

@@ -46,7 +46,6 @@ structopt = "0.2"
 tabout = { path = "tabout" }
 term = { path = "term" }
 termwiz = { path = "termwiz"}
-tinyfiledialogs = "3.3"
 toml = "0.4"
 unicode-normalization = "0.1"
 unicode-segmentation = "1.5"

src/main.rs

@@ -599,18 +599,6 @@ fn main() -> Result<(), Error> {
         let message = e.to_string();
 
         log::error!("{}", message);
-
-        // Avoid showing a modal dialog for IO errors such as
-        // BrokenPipe; those can manifest with the `cli proxy` subcommand
-        // running on the remote host, and no one would ever see those
-        // dialogs anyway
-        if e.downcast_ref::<std::io::Error>().is_none() {
-            tinyfiledialogs::message_box_ok(
-                "wezterm",
-                &message,
-                tinyfiledialogs::MessageBoxIcon::Error,
-            );
-        }
     }
     result
 }