Remove detailed nginx compatibility list.
Remove detailed nginx compatibility list.

It seems that some people were upset because this list
wasn't constantly updated.

Change-Id: I9919e2e5ae848bef83b43405607a55e4d1e6ebd4
Signed-off-by: Piotr Sikora <321b1a11e6b8c7ca12f1b0b438664e52a48b555e@frickle.com>

ainoya/ngx_cache_purge,FRiCKLE/ngx_cache_purge,ainoya/ngx_cache_purge,lilien1010/ngx_cache_purge,lilien1010/ngx_cache_purge,FRiCKLE/ngx_cache_purge