Revert "Buffer.toSliceCopy"
Revert "Buffer.toSliceCopy"

This reverts commit c58f5a4742156c09e215533ae274f9f991e287a7.

raulgrell/zig,zig-lang/zig,Dimenus/zig,zig-lang/zig,raulgrell/zig,andrewrk/zig,Dimenus/zig,Dimenus/zig,raulgrell/zig,zig-lang/zig,raulgrell/zig,andrewrk/zig,raulgrell/zig