Remove PointerProperties::copyFrom

Remove copyFrom in favor of default-generated operator=.

Bug: 271455682
Test: m checkinput
Change-Id: Ie00d027bcbf0a994e04e6b79a107c32077c3a3d8
diff --git a/include/input/Input.h b/include/input/Input.h
index ea856c8..1fc9cb1 100644
--- a/include/input/Input.h
+++ b/include/input/Input.h
@@ -493,12 +493,12 @@
         toolType = ToolType::UNKNOWN;
     }
 
-    bool operator==(const PointerProperties& other) const;
+    bool operator==(const PointerProperties& other) const = default;
     inline bool operator!=(const PointerProperties& other) const {
         return !(*this == other);
     }
 
-    void copyFrom(const PointerProperties& other);
+    PointerProperties& operator=(const PointerProperties&) = default;
 };
 
 /*