SCTExtension: cmake cleanup, do not install component headers

InnerDetector/InDetPerformance/SCTExtension/CMakeLists.txt

-################################################################################
-# Package: SCTExtension
-################################################################################
+# Copyright (C) 2002-2020 CERN for the benefit of the ATLAS collaboration
 
 # Declare the package name:
 atlas_subdir( SCTExtension )
 
-# Declare the package's dependencies:
-atlas_depends_on_subdirs( PUBLIC
-                          Control/AthenaBaseComps
-                          GaudiKernel
-                          PRIVATE
-                          Event/xAOD/xAODTracking
-                          InnerDetector/InDetRecEvent/InDetPrepRawData
-                          InnerDetector/InDetRecEvent/InDetRIO_OnTrack
-                          Tracking/TrkEvent/TrkMeasurementBase
-                          Tracking/TrkEvent/TrkTrack )
-
 # Component(s) in the package:
 atlas_add_component( SCTExtension
                      src/*.cxx
                      src/components/*.cxx
-                     LINK_LIBRARIES AthenaBaseComps GaudiKernel xAODTracking InDetPrepRawData InDetRIO_OnTrack TrkMeasurementBase TrkTrack )
+                     LINK_LIBRARIES AthenaBaseComps xAODTracking InDetPrepRawData InDetRIO_OnTrack StoreGateLib TrkMeasurementBase TrkTrack )
 
 # Install files from the package:
-atlas_install_headers( SCTExtension )
 atlas_install_joboptions( share/*.py )
-