[Badges] Remove the const keyword from size that fits dot badge cal…

…culation.

PiperOrigin-RevId: 694127922

components/Badges/src/MDCBadgeView.m

@@ -116,7 +116,7 @@ - (CGSize)sizeThatFits:(CGSize)size {
 }
 
 - (CGSize)sizeThatFitsDotBadge:(CGSize)size {
-  const CGFloat squareDimension = (_dotBadgeInnerRadius + self.layer.borderWidth) * 2;
+  CGFloat squareDimension = (_dotBadgeInnerRadius + self.layer.borderWidth) * 2;
   return CGSizeMake(squareDimension, squareDimension);
 }