doc: remove blank pages in pdf
doc: remove blank pages in pdf

The "manual" Latex template provided by Sphinx introduce a lot
of useless and confusing blank pages.
Let's remove them.

Signed-off-by: Thomas Monjalon <ee2fa8b2681c737f775687e475dcbf2028a412f1@6wind.com>
Acked-by: John McNamara <af31595c36a4239b9676e9b3a777d3e2f15a6c4d@intel.com>

phermansson/dpdk,phermansson/dpdk,phermansson/dpdk,phermansson/dpdk