[#24565] editors/armature: overwritten return value

Reported by Nicolas Kaiser

(error was turning off some optimization in etch-a-ton)

source/blender/editors/armature/editarmature_retarget.c

@@ -1925,8 +1925,6 @@ static RetargetMode detectArcRetargetMode(RigArc *iarc)
 		mode = RETARGET_LENGTH;
 	}
 	
-	mode = RETARGET_AGGRESSIVE;
-	
 	return mode;
 }