Remove dcap protocol support for dCache storage, the dcap library is currently...

Remove dcap protocol support for dCache storage, the dcap library is currently not in dev4/LCG CentOS9 nightlies anymore

Event/ByteStreamStoragePlugins/CMakeLists.txt

@@ -6,7 +6,6 @@ atlas_subdir( ByteStreamStoragePlugins )
 # External dependencies:
 find_package( Boost COMPONENTS system )
 find_package( Xrootd COMPONENTS Posix PosixPreload )
-find_package( dcap )
 find_package( tdaq-common COMPONENTS ers )
 find_package( Davix )
 
@@ -24,14 +23,6 @@ atlas_add_library( fReadXRootD
    PRIVATE_DEFINITIONS -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE
    -D_FILE_OFFSET_BITS=64 )
 
-atlas_add_library( fReaddCache
-   src/fReaddCache.h src/fReaddCache.cxx
-   NO_PUBLIC_HEADERS
-   PRIVATE_INCLUDE_DIRS ${TDAQ-COMMON_INCLUDE_DIRS}
-   ${DCAP_INCLUDE_DIRS} ${Boost_INCLUDE_DIRS}
-   PRIVATE_LINK_LIBRARIES ${TDAQ-COMMON_LIBRARIES} ${DCAP_LIBRARIES}
-   ${Boost_LIBRARIES} )
-
 atlas_add_library( fReadDavix
    src/fReadDavix.h src/fReadDavix.cxx
    NO_PUBLIC_HEADERS