daod/money_contract: move wallet/builder.rs to wallet.rs

bin/daod/src/money_contract/transfer/mod.rs

@@ -1,2 +1,3 @@
 pub mod validate;
 pub mod wallet;
+pub use wallet::{Builder, BuilderClearInputInfo, BuilderInputInfo, BuilderOutputInfo, Note};

bin/daod/src/money_contract/transfer/wallet/mod.rs

@@ -1,2 +0,0 @@
-pub mod builder;
-pub use builder::{Builder, BuilderClearInputInfo, BuilderInputInfo, BuilderOutputInfo, Note};