chore: address clippy warnings

Author: MarcosNicolau

aggregation_mode/batcher/src/server/types.rs

@@ -38,13 +38,13 @@ pub(super) struct SubmitProofRequestSP1 {
     pub nonce: Text<u64>,
     pub proof: TempFile,
     pub program_vk: TempFile,
-    pub signature_hex: Text<String>,
+    pub _signature_hex: Text<String>,
 }
 
 #[derive(Debug, MultipartForm)]
 pub(super) struct SubmitProofRequestRisc0 {
-    pub nonce: Text<u64>,
-    pub risc0_receipt: TempFile,
-    pub program_image_id_hex: Text<String>,
-    pub signature_hex: Text<String>,
+    pub _nonce: Text<u64>,
+    pub _risc0_receipt: TempFile,
+    pub _program_image_id_hex: Text<String>,
+    pub _signature_hex: Text<String>,
 }

scripts/test_files/sp1/fibonacci_proof_generator/script/src/main.rs

@@ -55,7 +55,7 @@ fn main() {
         format!("../../sp1_fibonacci_{}_vk.bin", SP1_VERSION),
         bincode::serialize(&vk).unwrap()
     )
-    .expect("failed to save vk hash");
+    .expect("failed to save vk bin");
 
     let elf_file_path = format!("../../sp1_fibonacci_{}.elf", SP1_VERSION);
     let mut file = std::fs::File::create(elf_file_path).unwrap();