Remove all unused crates and set transaction r,s to be U256

Author: sorpaas

.editorconfig

@@ -0,0 +1,15 @@
+root = true
+
+[*.rs]
+indent_style=tab
+indent_size=tab
+tab_width=4
+end_of_line=lf
+charset=utf-8
+trim_trailing_whitespace=true
+insert_final_newline=true
+
+[*.toml]
+indent_style=tab
+indent_size=tab
+tab_width=4

Cargo.toml

@@ -4,7 +4,7 @@ version = "0.2.0"
 license = "Apache-2.0"
 authors = ["Wei Tang <[email protected]>"]
 description = "Core block and transaction types for Ethereum."
-repository = "https://source.that.world/source/ethereum-rs"
+repository = "https://github.com/rust-blockchain/ethereum"
 keywords = ["no_std", "ethereum"]
 edition = "2018"
 
@@ -24,9 +24,4 @@ default = ["std", "codec"]
 std = ["ethereum-types/std", "rlp/std", "codec/std", "sha3/std"]
 
 [workspace]
-members = [
-  "./trie",
-  "./trie/rocksdb",
-  "./trie/memory",
-  "./bloom",
-]
+members = []