Get rid of libzgcj and libgcjgc libraries

[Bryce McKinlay]

Alexandre Oliva wrote:

>On Mar 16, 2002, Bryce McKinlay <bryce@waitaki.otago.ac.nz> wrote:
>
>>	* libtool-version: Increment .so version number.
>>
>
>AFAICT, no interfaces have been removed from the library, so it would
>be safe to set AGE to 1, such that the new library remains
>binary-compatible with the old one, and their SONAMEs will remain the
>same.
>

Well, we want to change the SONAME anyway for the 3.1 release - since 
libgcj is not binary compatible with the libgcj in 3.0.x. Now seems as 
good time as any to do it.

regards

Bryce.