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

F1:F103/deprecated/chronometer_v2/kicad/chrono.pro

@@ -0,0 +1,78 @@
+update=Вт 14 янв 2020 18:17:49
+version=1
+last_client=kicad
+[general]
+version=1
+RootSch=
+BoardNm=
+[cvpcb]
+version=1
+NetIExt=net
+[eeschema]
+version=1
+LibDir=
+[eeschema/libraries]
+[pcbnew]
+version=1
+PageLayoutDescrFile=
+LastNetListRead=chrono.net
+CopperLayerCount=2
+BoardThickness=1.6
+AllowMicroVias=0
+AllowBlindVias=0
+RequireCourtyardDefinitions=0
+ProhibitOverlappingCourtyards=1
+MinTrackWidth=0.2
+MinViaDiameter=0.4
+MinViaDrill=0.3
+MinMicroViaDiameter=0.2
+MinMicroViaDrill=0.09999999999999999
+MinHoleToHole=0.25
+TrackWidth1=0.2
+TrackWidth2=0.2
+TrackWidth3=0.3
+TrackWidth4=0.5
+TrackWidth5=1
+ViaDiameter1=0.8
+ViaDrill1=0.5
+ViaDiameter2=0.8
+ViaDrill2=0.5
+ViaDiameter3=1.2
+ViaDrill3=0.6
+dPairWidth1=0.2
+dPairGap1=0.25
+dPairViaGap1=0.25
+SilkLineWidth=0.12
+SilkTextSizeV=1
+SilkTextSizeH=1
+SilkTextSizeThickness=0.15
+SilkTextItalic=0
+SilkTextUpright=1
+CopperLineWidth=0.2
+CopperTextSizeV=1.5
+CopperTextSizeH=1.5
+CopperTextThickness=0.3
+CopperTextItalic=0
+CopperTextUpright=1
+EdgeCutLineWidth=0.05
+CourtyardLineWidth=0.05
+OthersLineWidth=0.15
+OthersTextSizeV=1
+OthersTextSizeH=1
+OthersTextSizeThickness=0.15
+OthersTextItalic=0
+OthersTextUpright=1
+SolderMaskClearance=0.051
+SolderMaskMinWidth=0.25
+SolderPasteClearance=0
+SolderPasteRatio=-0
+[schematic_editor]
+version=1
+PageLayoutDescrFile=
+PlotDirectoryName=
+SubpartIdSeparator=0
+SubpartFirstId=65
+NetFmtName=Pcbnew
+SpiceAjustPassiveValues=0
+LabSize=50
+ERC_TestSimilarLabels=1