fix: servobar units removed

Author: Stefano Bertelli

rcp/components/home/servobar.kv

@@ -31,7 +31,7 @@
       font_style: "bold"
       background_color: [0.2, 0.2, 0.2, 1]
       color: app.formats.display_color
-      text: app.servo.formattedPosition + " deg"
+      text: app.servo.formattedPosition
       text_size: self.size
       halign: 'center'
       valign: 'middle'