Revert "Delegate Block Encoding to Store (#44)"

This reverts commit 8ffc0c6f8e.

core/src/core/block.rs

@@ -36,7 +36,6 @@ bitflags! {
 }
 
 /// Block header, fairly standard compared to other blockchains.
-#[derive(Clone, Debug)]
 pub struct BlockHeader {
 	/// Height of this block since the genesis block (height 0)
 	pub height: u64,
@@ -139,7 +138,6 @@ impl Readable for BlockHeader {
 /// non-explicit, assumed to be deducible from block height (similar to
 /// bitcoin's schedule) and expressed as a global transaction fee (added v.H),
 /// additive to the total of fees ever collected.
-#[derive(Clone, Debug)]
 pub struct Block {
 	/// The header with metadata and commitments to the rest of the data
 	pub header: BlockHeader,