Revert "More work in progress"

This reverts commit 52f2fa46c4a3f8aaa1d93931858121ad6eb460ab.
Revert "These old readmes are useful"

This reverts commit 036f6389ec86606b459a7df357a0c1b69e66df84.
Revert "Start process of re-enabling OpenCL/script/GPU mining..."

This reverts commit d0044cdb3146474ee771d0a8c3ca63d087e96324.