[CMake] remove useless global LINK_DIRECTORIES

Author: nim65s

src/CMakeLists.txt

@@ -16,7 +16,6 @@ FOREACH(source ${PYTHON_SOURCES})
 ENDFOREACH(source)
 
 # --- ADD the wrap on the dg modules
-LINK_DIRECTORIES(${DYNAMIC_GRAPH_PLUGINDIR})
 DYNAMIC_GRAPH_PYTHON_MODULE("tracer" dynamic-graph::tracer tracer-wrap)
 DYNAMIC_GRAPH_PYTHON_MODULE("tracer_real_time" dynamic-graph::tracer-real-time
   tracer_real_time-wrap)