remove a couple warnings

src/main.rs

@@ -59,7 +59,7 @@ fn prompt(anki: &AnkiClient) {
                 KeyCode::Enter => break,
                 _ => (),
             },
-            e => (),
+            _ => (),
         };
     }
     anki.request(GuiShowAnswerRequest {}).unwrap();
@@ -71,13 +71,13 @@ fn prompt(anki: &AnkiClient) {
     }
     display_prompt_text(":");
     let ease = loop {
-        let ease = match event::read().unwrap() {
+        match event::read().unwrap() {
             Event::Key(e) => match e.code {
                 KeyCode::Char(AGAIN) => break Ease::Again,
                 KeyCode::Char(GOOD) => break Ease::Good,
                 _ => (),
             },
-            e => (),
+            _ => (),
         };
     };
     anki.request(GuiAnswerCardRequest { ease: ease }).unwrap();
@@ -105,7 +105,8 @@ fn clear_with_bar(anki: &AnkiClient, current_card: &GuiCurrentCardResponse) {
         SetForegroundColor(Color::Green),
         Print(&format!("{:?}\n", deck_stats.review_count)),
         ResetColor
-    );
+    )
+    .unwrap();
 }
 
 fn clear_screen() {
@@ -114,7 +115,8 @@ fn clear_screen() {
         Clear(ClearType::All),
         cursor::MoveTo(0, 0),
         cursor::Hide
-    );
+    )
+    .unwrap();
 }
 
 fn display_prompt_text(text: &str) {
@@ -123,7 +125,8 @@ fn display_prompt_text(text: &str) {
         SetForegroundColor(Color::Blue),
         Print(text),
         ResetColor
-    );
+    )
+    .unwrap();
 }
 
 fn display_html(html: &str) {
@@ -137,5 +140,6 @@ fn display_text(text: &str) {
         SetForegroundColor(Color::DarkYellow),
         Print(text),
         ResetColor
-    );
+    )
+    .unwrap();
 }