Remove duplicate

program/build.rs

@@ -41,7 +41,6 @@ fn main() {
         export: cbindgen::ExportConfig {
             prefix: Some("Token_".to_string()),
             include: vec![
-                "TokenInstruction".to_string(),
                 "TokenInstruction".to_string(),
                 "Mint".to_string(),
                 "Account".to_string(),