Remove unnecessary distinction between Apple and Linux

CMake knows the library extension for the different systems so there is no need to
define it explicitly.

analysis/PWGC2F/flow/DataTreeCbmInterface/CMakeLists.txt

@@ -67,11 +67,7 @@ ENDIF (SSE_FOUND)
 Set(LINKDEF DataTreeCbmInterfaceLinkDef.h)
 Set(LIBRARY_NAME DataTreeCbmInterface)
 
-If(UNIX AND NOT APPLE)
-  Set(_DataTree_LIB  DataTree.so)
-  Else()
-  Set(_DataTree_LIB  DataTree.dylib)
-EndIf()
+Set(_DataTree_LIB  DataTree)
 
 Set(DEPENDENCIES 
 	${_DataTree_LIB} 

analysis/common/analysis_tree_converter/CMakeLists.txt

@@ -69,11 +69,7 @@ ENDIF (SSE_FOUND)
 
 Set(LINKDEF CbmAnalysisTreeInterfaceLinkDef.h)
 
-If(UNIX AND NOT APPLE)
-  Set(_AnalysisTree_LIB  AnalysisTreeBase.so AnalysisTreeInfra.so)
-  Else()
-  Set(_AnalysisTree_LIB  AnalysisTreeBase.dylib AnalysisTreeInfra.dylib)
-EndIf()
+Set(_AnalysisTree_LIB AnalysisTreeBase AnalysisTreeInfra)
 
 Set(DEPENDENCIES 
 	${_AnalysisTree_LIB} 

analysis/common/at_kfpf_interface/CMakeLists.txt

@@ -44,11 +44,7 @@ ENDIF (SSE_FOUND)
 
 Set(LINKDEF AnalysisTreeKfpfInterfaceLinkDef.h)
 
-If(UNIX AND NOT APPLE)
-  Set(_AnalysisTree_LIB  AnalysisTreeBase.so AnalysisTreeInfra.so)
-  Else()
-  Set(_AnalysisTree_LIB  AnalysisTreeBase.dylib AnalysisTreeInfra.dylib)
-EndIf()
+Set(_AnalysisTree_LIB AnalysisTreeBase AnalysisTreeInfra)
 
 Set(DEPENDENCIES 
 	${_AnalysisTree_LIB}