Remove obsolete dependency

The GNU Sientific Library isn't any longer used in CbmRoot.

CMakeLists.txt

@@ -276,7 +276,6 @@ else(CBMROOT_MINIMAL)
   Set(Boost_NO_SYSTEM_PATHS TRUE)
   Set(Boost_NO_BOOST_CMAKE TRUE)
   set(BOOST_ROOT ${SIMPATH})
-  set(GSL_DIR ${SIMPATH})
   Message("-- Looking for Boost ...")
   # If an older version of boost is found both of the variables below are
   # cached and in a second cmake run, a good boost version is found even
@@ -292,16 +291,6 @@ else(CBMROOT_MINIMAL)
     Set(Boost_Avail 0)
   EndIf (Boost_FOUND)
 
-  Message("-- Looking for GSL ...")
-  find_package(GSL)
-  if(NOT GSL_FOUND)
-    if(APPLE)
-      set(GSL_DIR /usr/local)
-    else()
-      unset(GSL_DIR)
-    endif()
-    find_package(GSL)
-  endif()
   Find_Package(FairLogger)
   Find_Package(FairMQ)
   if(FAIRMQ_FOUND)

mvd/CMakeLists.txt

@@ -21,17 +21,13 @@ include_directories(${INCLUDE_DIRECTORIES})
 
 set(SYSTEM_INCLUDE_DIRECTORIES
   ${BASE_INCLUDE_DIRECTORIES} 
-#  ${CLHEP_INCLUDE_DIR}
-#  ${GSL_INCLUDE_DIRS}
 )
 
 include_directories(SYSTEM ${SYSTEM_INCLUDE_DIRECTORIES})
 
 set(LINK_DIRECTORIES
   ${ROOT_LIBRARY_DIR}
-#${GSL_LIBRARY_DIRS}
   ${FAIRROOT_LIBRARY_DIR}
-# ${CLHEP_LIBRARY_DIR}
   ${Boost_LIBRARY_DIRS}
 )