chore: remove contract function bodies since we only need their signatures

contracts/ierc20/ierc20.sol

@@ -23,7 +23,9 @@ interface IERC20 {
      *
      * Emits a {Transfer} event.
      */
-    function transfer(address recipient, uint256 amount) external returns (bool);
+    function transfer(address recipient, uint256 amount)
+        external
+        returns (bool);
 
     /**
      * @dev Returns the remaining number of tokens that `spender` will be
@@ -32,7 +34,10 @@ interface IERC20 {
      *
      * This value changes when {approve} or {transferFrom} are called.
      */
-    function allowance(address owner, address spender) external view returns (uint256);
+    function allowance(address owner, address spender)
+        external
+        view
+        returns (uint256);
 
     /**
      * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
@@ -77,5 +82,9 @@ interface IERC20 {
      * @dev Emitted when the allowance of a `spender` for an `owner` is set by
      * a call to {approve}. `value` is the new allowance.
      */
-    event Approval(address indexed owner, address indexed spender, uint256 value);
+    event Approval(
+        address indexed owner,
+        address indexed spender,
+        uint256 value
+    );
 }

contracts/resolver/doc.go

@@ -1,3 +1,3 @@
 package resolver
 
-//go:generate abigen -sol ENS.sol -pkg resolver -out resolver.go
+//go:generate abigen -sol resolver.sol -pkg resolver -out resolver.go