chore(ethclient): remove some unused APIs (#387)

Author: mask-pp

ethclient/taiko_api.go

@@ -19,17 +19,6 @@ func (ec *Client) HeadL1Origin(ctx context.Context) (*rawdb.L1Origin, error) {
 	return res, nil
 }
 
-// SetHeadL1Origin sets the latest L2 block's corresponding L1 origin.
-func (ec *Client) SetHeadL1Origin(ctx context.Context, blockID *big.Int) (*big.Int, error) {
-	var res *big.Int
-
-	if err := ec.c.CallContext(ctx, &res, "taiko_setHeadL1Origin", blockID); err != nil {
-		return nil, err
-	}
-
-	return res, nil
-}
-
 // L1OriginByID returns the L2 block's corresponding L1 origin.
 func (ec *Client) L1OriginByID(ctx context.Context, blockID *big.Int) (*rawdb.L1Origin, error) {
 	var res *rawdb.L1Origin
@@ -41,17 +30,6 @@ func (ec *Client) L1OriginByID(ctx context.Context, blockID *big.Int) (*rawdb.L1
 	return res, nil
 }
 
-// UpdateL1Origin sets the L2 block's corresponding L1 origin.
-func (ec *Client) UpdateL1Origin(ctx context.Context, l1Origin *rawdb.L1Origin) (*rawdb.L1Origin, error) {
-	var res *rawdb.L1Origin
-
-	if err := ec.c.CallContext(ctx, &res, "taiko_updateL1Origin", l1Origin); err != nil {
-		return nil, err
-	}
-
-	return res, nil
-}
-
 // GetSyncMode returns the current sync mode of the L2 node.
 func (ec *Client) GetSyncMode(ctx context.Context) (string, error) {
 	var res string