[patches] remove 002-target-atheros-whr-hp-ag108-sysupgrade.patch

The firmware is not building target atheros whr hp ag108 and therefor
obsolete. When we start to built this target we can add this patch again.
Merge pull request #96 from freifunk-berlin/patches/remove_002_patch

[patches] remove 002-target-atheros-whr-hp-ag108-sysupgrade.patch