metadata fix (class was not generated, so these were tests and accidental commit of unfinished <attr>)

Author: moljac

source/androidx.cardview/cardview/transforms/Metadata.xml

@@ -6,9 +6,5 @@
     <attr path="/api/package[@name='androidx.cardview.widget']/interface[@name='CardViewDelegate']" name="visibility">public</attr>
     <attr path="/api/package[@name='androidx.cardview.widget']/interface[@name='RoundRectDrawableWithShadow.RoundRectHelper']" name="visibility">public</attr>
 
-    <attr
-        path="androidx.cardview.widget"
-        >
-        
-    </attr>
+
 </metadata>