small adjustments to some traces, added more comments in schematic

Hardware/powerstages.kicad_sch

@@ -3418,34 +3418,6 @@
 		)
 		(uuid "fbad141c-55b3-4103-8416-a501712e5518")
 	)
-	(rectangle
-		(start 39.37 152.4)
-		(end 93.98 264.16)
-		(stroke
-			(width 0)
-			(type default)
-			(color 0 0 0 1)
-		)
-		(fill
-			(type color)
-			(color 132 132 132 0.2)
-		)
-		(uuid ef5b728a-d808-45c3-80aa-b4dc6a2280da)
-	)
-	(rectangle
-		(start 39.37 26.67)
-		(end 93.98 152.4)
-		(stroke
-			(width 0)
-			(type default)
-			(color 0 0 0 1)
-		)
-		(fill
-			(type color)
-			(color 194 194 194 0.2)
-		)
-		(uuid f0163e64-1615-45cd-8c82-ad1bcb360842)
-	)
 	(text "Impedanzwandler"
 		(exclude_from_sim no)
 		(at 393.446 117.094 0)