InDetRecTools: cmake cleanup

cmake cleanup of InnerDetector/InDetRecTools packages:

• remove `atlas_depends_on_subdirs
• update external and library dependencies
• do not install component headers
• enable flake8 where relevant

InnerDetector/InDetRecTools/InDetAmbiTrackSelectionTool/CMakeLists.txt

-################################################################################
-# Package: InDetAmbiTrackSelectionTool
-################################################################################
+# Copyright (C) 2002-2020 CERN for the benefit of the ATLAS collaboration
 
 # Declare the package name:
 atlas_subdir( InDetAmbiTrackSelectionTool )
 
-# Declare the package's dependencies:
-atlas_depends_on_subdirs(
-   PUBLIC
-   Control/AthenaBaseComps
-   Control/AthenaKernel
-   GaudiKernel
-   Tracking/TrkEvent/TrkRIO_OnTrack
-   Tracking/TrkEvent/TrkTrack
-   Tracking/TrkTools/TrkToolInterfaces
-   Tracking/TrkValidation/TrkValInterfaces
-   PRIVATE
-   Control/AthContainers
-   Control/CxxUtils
-   Control/StoreGate
-   InnerDetector/InDetDetDescr/InDetIdentifier
-   InnerDetector/InDetDetDescr/PixelGeoModel
-   InnerDetector/InDetRecEvent/InDetPrepRawData
-   InnerDetector/InDetRecTools/InDetRecToolInterfaces
-   Tracking/TrkDetDescr/TrkDetElementBase
-   Tracking/TrkDetDescr/TrkSurfaces
-   Tracking/TrkEvent/TrkCaloClusterROI
-   Tracking/TrkEvent/TrkMeasurementBase
-   Tracking/TrkEvent/TrkPrepRawData
-   Tracking/TrkEvent/TrkPseudoMeasurementOnTrack
-   Tracking/TrkEvent/TrkTrackSummary 
-   Tracking/TrkEvent/TrkParameters
-   Tracking/TrkFitter/TrkFitterInterfaces)
-
 # External dependencies:
 find_package( ROOT COMPONENTS Core MathCore )
 
@@ -41,7 +11,7 @@ atlas_add_component( InDetAmbiTrackSelectionTool
    InDetAmbiTrackSelectionTool/*.h src/*.cxx src/components/*.cxx
    INCLUDE_DIRS ${ROOT_INCLUDE_DIRS}
    LINK_LIBRARIES ${ROOT_LIBRARIES} AthenaBaseComps AthenaKernel GaudiKernel TrkRIO_OnTrack
-   TrkTrack TrkToolInterfaces TrkValInterfaces AthContainers CxxUtils StoreGateLib
-   InDetIdentifier InDetPrepRawData InDetRecToolInterfaces TrkDetElementBase
+   TrkTrack TrkToolInterfaces AthContainers CxxUtils StoreGateLib
+   InDetIdentifier InDetPrepRawData InDetRecToolInterfaces TrkDetElementBase TrkEventUtils
    TrkSurfaces TrkCaloClusterROI TrkMeasurementBase TrkPrepRawData
    TrkPseudoMeasurementOnTrack TrkTrackSummary TrkParameters PixelGeoModelLib TrkFitterInterfaces)