Removes redundant clone

Author: sanpii

src/agenda.rs

@@ -126,7 +126,7 @@ impl Widget {
             })
             .collect();
 
-        tasks.clone()
+        tasks
     }
 }
 

src/edit.rs

@@ -70,13 +70,13 @@ impl Widget {
         task.note = match task.note {
             todo_txt::task::Note::Long { ref filename, .. } => todo_txt::task::Note::Long {
                 filename: filename.to_string(),
-                content: new_note.clone(),
+                content: new_note,
             },
             _ => {
                 if new_note.is_empty() {
                     todo_txt::task::Note::None
                 } else {
-                    todo_txt::task::Note::Short(new_note.clone())
+                    todo_txt::task::Note::Short(new_note)
                 }
             }
         };

src/widgets/calendar.rs

@@ -121,7 +121,7 @@ impl relm::Widget for Calendar {
 
     fn model(relm: &relm::Relm<Self>, label: String) -> Model {
         Model {
-            label: label.clone(),
+            label,
             popover: gtk::Popover::new(None::<&gtk::Calendar>),
             calendar: gtk::Calendar::new(),
             relm: relm.clone(),