Remove a workaround from make-release.sh
Remove a workaround from make-release.sh

Since configure now attempts to automatically detect the cpu,
make-release.sh doesn't need to force a specific CPU while configuring
libdfp.

Signed-off-by: Tulio Magno Quites Machado Filho <0e1b3d0765ee75ed64fa2e34822e4949a70a1429@linux.vnet.ibm.com>

gftg85/libdfp,pmur/libdfp,pmur/libdfp,gftg85/libdfp,pmur/libdfp,gftg85/libdfp,gftg85/libdfp,pmur/libdfp