cmake/Templates: remove duplicated #cmakedefines from caffe_config.h.in
cmake/Templates: remove duplicated #cmakedefines from caffe_config.h.in

Rationale: these are duplicated in CMakeLists code, and they cannot be
removed from there because many definitions need to be exported to the
library clients. See issue #4625.

gnina/gnina,gnina/gnina,gnina/gnina,gnina/gnina,gnina/gnina,gnina/gnina