Remove VtMode::Text

It isn't used anywhere.

inputd/src/lib.rs

@@ -10,7 +10,6 @@ unsafe fn any_as_u8_slice<T: Sized>(p: &T) -> &[u8] {
 #[derive(Debug, Copy, Clone, PartialEq)]
 #[repr(usize)]
 pub enum VtMode {
-    Text = 0,
     Graphic = 1,
     Default = 2,
 }

vesad/src/scheme.rs

@@ -319,8 +319,6 @@ impl SchemeMut for DisplayScheme {
                                             self.framebuffers[screen_i.0].stride
                                         );
                                     }
-
-                                    VtMode::Text => todo!()
                                 }
                             }
                         }