Remove obsolete package-local bib files.

Snap_rounding_2/doc_tex/Snap_rounding_2/Snap_rounding_2.bib

@@ -1,38 +0,0 @@
-
-@article{isr-2002
-, author =      "D. Halperin and E. Packer"
-, title =       "Iterated Snap Rounding"
-, journal =     "Computational Geometry: Theory and Applications"
-, volume =      23
-, number =      2
-, year =        2002
-, pages =       "209--225"
-} 
-
-@inproceedings{gght-srlse-97
-, author =      "M. Goodrich and L. J. Guibas and J. Hershberger and P. Tanenbaum"
-, title =       "Snap Rounding Line Segments Efficiently in Two and Three Dimensions"
-, booktitle =   "Proc. 13th Annu. ACM Sympos. Comput. Geom."
-, year =        1997
-, pages =       "284--293"
-}     
-
-@article{gm-rad-98
-, author =      "Leonidas Guibas and David Marimont"
-, title =       "Rounding Arrangements Dynamically"
-, journal =     "Internat. J. Comput. Geom. Appl."
-, volume =      8
-, year =        1998
-, pages =       "157--176"
-, succeeds =    "gm-rad-95"
-, update =      "98.11 devillers"
-} 
-
-@article{h-psifp-99,
-        author = "J. Hobby",
-        title = "Practical segment intersection with finite precision output",
-        journal = "Comput. Geom. Theory Appl."
-, volume =      13
-, year =        1999
-, pages =       "199-214"
-}   

Subdivision_method_3/doc_tex/Subdivision_method_3/sub3.bib

@@ -1,35 +0,0 @@
-% ----------------------------------------------------------------------------
-@book{cgal:warren-subdivision-02
-  ,author = "Joe Warren and Henrik Weimer"
-  ,title = "Subdivision Methods for Geometric Design"
-  ,address = "New York"
-  ,publisher = "Morgan Kaufmann Publishers"
-  ,year = "2002"
-}
-
-@article{cgal:cc-sub-78
-  ,author = {E.~Catmull and J.~Clark}
-  ,title = {Recursively generated {B}-spline surfaces 
-            on arbitrary topological meshes}
-  ,journal = {Computer Aided Design}
-  ,year = {1978}
-  ,volume = {10}
-  ,pages = {350--355}
-}
-
-@InProceedings{cgal:shiue-mreo-05
-  ,title = {Mesh Refinement based on Euler Encoding}
-  ,author = {Le-Jeng Shiue and J{\"o}rg Peters}
-  ,pages = {343--348}
-  ,year = {2005}
-  ,booktitle = {Proceedings of the International Conference on 
-                Shape Modeling and Applications 2005}
-}
-
-@InProceedings{cgal:shiue-sesub-05
-  ,title = {A Mesh Refinement Library based on Generic Design}
-  ,author = {Le-Jeng Shiue and J{\"o}rg Peters}
-  ,pages = {1-104--1-108}
-  ,year = {2005}
-  ,booktitle = {Proceedings of the 43rd ACM Southeast Conference}
-}