ActsGeometryInterfaces: cmake cleanup

Remove unused Eigen dependecy. Delete obsolete
`atlas_depends_on_subdirs`.

Tracking/Acts/ActsGeometryInterfaces/CMakeLists.txt

+# Copyright (C) 2002-2020 CERN for the benefit of the ATLAS collaboration
 
 # Declare the package name:
 atlas_subdir( ActsGeometryInterfaces )
 
-# Declare the package's dependencies:
-atlas_depends_on_subdirs( PUBLIC
-                          PRIVATE
-                          Control/StoreGate
-                          AthenaKernel
-                          AthenaBaseComps
-                          GaudiKernel
-                          ActsInterop )
-
 # External dependencies:
-find_package( Eigen )
 find_package( Acts COMPONENTS Core )
 
 # Component(s) in the package:
-
 atlas_add_library( ActsGeometryInterfacesLib
                    ActsGeometryInterfaces/*.h
                    INTERFACE
                    PUBLIC_HEADERS ActsGeometryInterfaces
-                   INCLUDE_DIRS ${EIGEN_INCLUDE_DIRS}
-                   LINK_LIBRARIES ${EIGEN_LIBRARIES}
-                   AthenaKernel
-                   ActsInteropLib
-                   ActsCore)
+                   LINK_LIBRARIES
+                   AthenaBaseComps
+                   ActsCore
+                   ActsGeometryLib
+                   GaudiKernel
+                   TrkGeometry )