CollectionBase: cmake fixes

Remove uses of ROOT_* cmake macros with no corresponding find_package.
They're not needed here anyway.

Database/APR/CollectionBase/CMakeLists.txt

@@ -24,16 +24,15 @@ atlas_add_library( CollectionBase
                    src/*.cpp
                    PUBLIC_HEADERS CollectionBase
                    INCLUDE_DIRS ${Boost_INCLUDE_DIRS} ${CORAL_INCLUDE_DIRS}
-                   PRIVATE_INCLUDE_DIRS ${ROOT_INCLUDE_DIRS}
                    LINK_LIBRARIES ${Boost_LIBRARIES}
                    ${CORAL_LIBRARIES} FileCatalog POOLCore GaudiKernel
                    PersistencySvc PersistentDataModel 
-                   PRIVATE_LINK_LIBRARIES ${ROOT_LIBRARIES} TestTools )
+                   PRIVATE_LINK_LIBRARIES TestTools )
 
 atlas_add_dictionary( CollectionDict
                       CollectionBase/CollectionDict.h
                       CollectionBase/selection.xml
-                      INCLUDE_DIRS ${ROOT_INCLUDE_DIRS} ${CORAL_INCLUDE_DIRS}
+                      INCLUDE_DIRS ${CORAL_INCLUDE_DIRS}
                       LINK_LIBRARIES CollectionBase )
 
 atlas_add_test( Factory_test