Remove the import of umbrella header in the SDWebImageSwiftUI.h, we now use Swift exported module instead

Author: dreampiggy

SDWebImageSwiftUI/Module/SDWebImageSwiftUI.h

@@ -13,6 +13,3 @@ FOUNDATION_EXPORT double SDWebImageSwiftUIVersionNumber;
 
 //! Project version string for SDWebImageSwiftUI.
 FOUNDATION_EXPORT const unsigned char SDWebImageSwiftUIVersionString[];
-
-// In this header, you should import all the public headers of your framework using statements like #import <SDWebImageSwiftUI/PublicHeader.h>
-#import <SDWebImage/SDWebImage.h>