remove the zkasm format

Signed-off-by: xermicus <cyrill@parity.io>

crates/solidity/src/project/mod.rs

@@ -234,36 +234,6 @@ impl Project {
             BTreeMap::new(),
         ))
     }
-
-    /// Parses the PolkaVM assembly source code file and returns the source data.
-    pub fn try_from_zkasm_path(path: &Path) -> anyhow::Result<Self> {
-        let source_code = std::fs::read_to_string(path).map_err(|error| {
-            anyhow::anyhow!("PolkaVM assembly file {:?} reading error: {}", path, error)
-        })?;
-        let source_hash = sha3::Keccak256::digest(source_code.as_bytes()).into();
-
-        let source_version =
-            SolcVersion::new_simple(revive_llvm_context::polkavm_const::ZKEVM_VERSION);
-        let path = path.to_string_lossy().to_string();
-
-        let mut project_contracts = BTreeMap::new();
-        project_contracts.insert(
-            path.clone(),
-            Contract::new(
-                path.clone(),
-                source_hash,
-                source_version.clone(),
-                IR::new_zkasm(path, source_code),
-                None,
-            ),
-        );
-
-        Ok(Self::new(
-            source_version,
-            project_contracts,
-            BTreeMap::new(),
-        ))
-    }
 }
 
 impl revive_llvm_context::PolkaVMDependency for Project {