Remove stray NEKTAR_USE_ANN, update CHANGELOG

CHANGELOG.md

@@ -67,6 +67,7 @@ v4.4.0
 - Add option to `linearise` to use element quality (!690)
 - Add flag to `insertsurface` process for non-conforming geometries (!700)
 - Bug fix to get two meshgen regression tests working (!700)
+- Remove libANN in deference to boost::geometry (!703)
 
 **FieldConvert:**
 - Move all modules to a new library, FieldUtils, to support post-processing

utilities/NekMesh/CMakeLists.txt

@@ -97,14 +97,6 @@ IF (NEKTAR_USE_VTK)
     ENDIF ()
 ENDIF (NEKTAR_USE_VTK)
 
-IF (NEKTAR_USE_ANN)
-      TARGET_LINK_LIBRARIES(NekMesh ANN)
-      SET_TARGET_PROPERTIES(NekMesh PROPERTIES
-      IMPORTED_LOCATION ${ANN_LIBRARY_PATH}/libANN.a)
-      INCLUDE_DIRECTORIES(NekMesh ${ANN_INCLUDE_DIR})
-      LINK_DIRECTORIES(${ANN_LIBRARY_PATH})
-ENDIF (NEKTAR_USE_ANN)
-
 # Nektar++
 ADD_NEKTAR_TEST        (Nektar++/InvalidTetFace)
 ADD_NEKTAR_TEST        (Nektar++/InvalidQuads)