testing/opkg-utils: upgrade to 0.4.5
Remove 0001-Makefile-seperate-manpages-and-utils-install.patch as patch was accepted upstream and is a part of the 0.4.5 release.
Remove 0001-Makefile-seperate-manpages-and-utils-install.patch as patch was accepted upstream and is a part of the 0.4.5 release.