TrigL2MuonSA: cmake fix

Remove use of EIGEN_INCLUDE_DIRS.
find_package was missing, and we anyway don't have a direct dependency
on Eigen.

Trigger/TrigAlgorithms/TrigL2MuonSA/CMakeLists.txt

@@ -13,7 +13,7 @@ find_package( tdaq-common COMPONENTS MuCalDecode circ_proc )
 atlas_add_library( TrigL2MuonSALib
                    src/*.cxx
                    PUBLIC_HEADERS TrigL2MuonSA
-                   INCLUDE_DIRS ${ROOT_INCLUDE_DIRS} ${GSL_INCLUDE_DIRS} ${TDAQ-COMMON_INCLUDE_DIRS} ${EIGEN_INCLUDE_DIRS} ${CLHEP_INCLUDE_DIRS}
+                   INCLUDE_DIRS ${ROOT_INCLUDE_DIRS} ${GSL_INCLUDE_DIRS} ${TDAQ-COMMON_INCLUDE_DIRS} ${CLHEP_INCLUDE_DIRS}
                    LINK_LIBRARIES ${ROOT_LIBRARIES} AthenaBaseComps AthenaMonitoringKernelLib ByteStreamCnvSvcBaseLib CscClusterizationLib GaudiKernel GeoPrimitives Identifier MdtCalibSvcLib MuonCablingData MuonCnvToolInterfacesLib MuonIdHelpersLib MuonPrepRawData MuonRDO MuonRecToolInterfaces MuonTGC_CablingLib RPC_CondCablingLib RegionSelectorLib StoreGateLib TrigInterfacesLib TrigMuonToolInterfaces TrigSteeringEvent TrigT1Interfaces TrigT1RPCRecRoiSvcLib TrigTimeAlgsLib xAODEventInfo xAODTrigMuon xAODTrigger
                    PRIVATE_LINK_LIBRARIES ${CLHEP_LIBRARIES} ${GSL_LIBRARIES} ${TDAQ-COMMON_LIBRARIES} AthenaInterprocess CxxUtils EventInfo GeoModelUtilities MuonCalibEvent MuonReadoutGeometry PathResolver )