more clippy fixes

canvas/src/canvas/gui.rs

@@ -166,7 +166,6 @@ fn render_active_line_with_indicator<T: CanvasTheme>(
     if let Some(comp) = completion {
         if !comp.is_empty() && remaining_cols > 0 {
             visible_completion = slice_by_display_cols(comp, 0, remaining_cols);
-            remaining_cols = remaining_cols.saturating_sub(display_width(&visible_completion));
         }
     }
 

canvas/src/suggestions/gui.rs

@@ -149,9 +149,6 @@ fn calculate_dropdown_position(
     if dropdown_area.right() > frame_area.width {
         dropdown_area.x = frame_area.width.saturating_sub(dropdown_width);
     }
-    dropdown_area.x = dropdown_area.x;
-    dropdown_area.y = dropdown_area.y;
-
     dropdown_area
 }