Remove unused import of std::ascii::AsciiExt

[d-e-s-o]

The import of std::ascii::AsciiExt in src/event.rs is unused. Remove it.

warning: unused import: std::ascii::AsciiExt
--> src/event.rs:4:5
|
4 | use std::ascii::AsciiExt;
| ^^^^^^^^^^^^^^^^^^^^
|
= note: #[warn(unused_imports)] on by default

[knarfytrebil]

Hello, it turns out if remove use std::ascii::AsciiExt;
some of the examples will not be able to compile.

   Compiling termion v1.5.1 (file:///Users/knarfytrebil/Programs/rust/termion)
error[E0599]: no method named `is_ascii` found for type `u8` in the current scope
   --> src/event.rs:317:10
    |
317 |     if c.is_ascii() {
    |          ^^^^^^^^
    |
    = help: items from traits can only be used if the trait is in scope
    = note: the following trait is implemented but not in scope, perhaps add a `use` for it:
            candidate #1: `use std::ascii::AsciiExt;`

error: aborting due to previous error

error: Could not compile `termion`.

To learn more, run the command again with --verbose.

[JoshMcguigan]

Which examples are you not able to compile?

[knarfytrebil]

Sorry, I was on an older version of rust.
It resolved after I upgraded rust.