refactor: remove literal suffix (#974)

its not needed and can just be assumed

related: clippy::(un)separated_literal_suffix

src/widgets/barchart.rs

@@ -530,7 +530,7 @@ impl BarChart<'_> {
                     .max()
                     .unwrap_or_default()
             })
-            .max(1u64)
+            .max(1)
     }
 
     fn render_labels_and_values(

src/widgets/sparkline.rs

@@ -174,7 +174,7 @@ impl Sparkline<'_> {
 
         let max = match self.max {
             Some(v) => v,
-            None => *self.data.iter().max().unwrap_or(&1u64),
+            None => *self.data.iter().max().unwrap_or(&1),
         };
         let max_index = min(spark_area.width as usize, self.data.len());
         let mut data = self