hide deprecated code; make USB snippet common for F0/F1/F3

F1:F103/deprecated/chronometer_v2/kicad/gerbers/chrono-Edge_Cuts.gbr

@@ -0,0 +1,23 @@
+G04 #@! TF.GenerationSoftware,KiCad,Pcbnew,5.1.5*
+G04 #@! TF.CreationDate,2020-01-17T21:00:47+03:00*
+G04 #@! TF.ProjectId,chrono,6368726f-6e6f-42e6-9b69-6361645f7063,rev?*
+G04 #@! TF.SameCoordinates,Original*
+G04 #@! TF.FileFunction,Profile,NP*
+%FSLAX46Y46*%
+G04 Gerber Fmt 4.6, Leading zero omitted, Abs format (unit mm)*
+G04 Created by KiCad (PCBNEW 5.1.5) date 2020-01-17 21:00:47*
+%MOMM*%
+%LPD*%
+G04 APERTURE LIST*
+%ADD10C,0.050000*%
+G04 APERTURE END LIST*
+D10*
+X30000000Y-74000000D02*
+X30000000Y-133500000D01*
+X127500000Y-133500000D02*
+X30000000Y-133500000D01*
+X127500000Y-74000000D02*
+X127500000Y-133500000D01*
+X30000000Y-74000000D02*
+X127500000Y-74000000D01*
+M02*