board: sch replace key13 with voltage divider battery sense

board/board_to_board.kicad_sch

@@ -1364,6 +1364,10 @@
 		(at 110.49 82.55)
 		(uuid "2a30fa34-8948-4d5d-ad2d-51aecf05bddc")
 	)
+	(no_connect
+		(at 138.43 82.55)
+		(uuid "a892d8d8-8949-4d15-b10e-0e434a7b3d6b")
+	)
 	(no_connect
 		(at 97.79 77.47)
 		(uuid "edc82ba1-4202-481d-9696-e1d485fefc68")
@@ -1948,28 +1952,6 @@
 			)
 		)
 	)
-	(global_label "key13"
-		(shape input)
-		(at 138.43 82.55 270)
-		(fields_autoplaced yes)
-		(effects
-			(font
-				(size 1.27 1.27)
-			)
-			(justify right)
-		)
-		(uuid "d746668e-c47f-4664-8725-ae0b5f5ab020")
-		(property "Intersheetrefs" "${INTERSHEET_REFS}"
-			(at 138.43 91.0385 90)
-			(effects
-				(font
-					(size 1.27 1.27)
-				)
-				(justify right)
-				(hide yes)
-			)
-		)
-	)
 	(global_label "key19"
 		(shape input)
 		(at 123.19 82.55 270)