remove the zkasm format

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

crates/solidity/src/project/contract/ir/mod.rs

@@ -3,7 +3,6 @@
 pub mod evmla;
 pub mod llvm_ir;
 pub mod yul;
-pub mod zkasm;
 
 use std::collections::HashSet;
 
@@ -17,7 +16,6 @@ use crate::yul::parser::statement::object::Object;
 use self::evmla::EVMLA;
 use self::llvm_ir::LLVMIR;
 use self::yul::Yul;
-use self::zkasm::ZKASM;
 
 /// The contract source code.
 #[derive(Debug, Serialize, Deserialize, Clone)]
@@ -31,8 +29,6 @@ pub enum IR {
     EVMLA(EVMLA),
     /// The LLVM IR source code.
     LLVMIR(LLVMIR),
-    /// The PolkaVM assembly source code.
-    ZKASM(ZKASM),
 }
 
 impl IR {
@@ -51,18 +47,12 @@ impl IR {
         Self::LLVMIR(LLVMIR::new(path, source))
     }
 
-    /// A shortcut constructor.
-    pub fn new_zkasm(path: String, source: String) -> Self {
-        Self::ZKASM(ZKASM::new(path, source))
-    }
-
     /// Get the list of missing deployable libraries.
     pub fn get_missing_libraries(&self) -> HashSet<String> {
         match self {
             Self::Yul(inner) => inner.get_missing_libraries(),
             Self::EVMLA(inner) => inner.get_missing_libraries(),
             Self::LLVMIR(_inner) => HashSet::new(),
-            Self::ZKASM(_inner) => HashSet::new(),
         }
     }
 }
@@ -79,7 +69,6 @@ where
             Self::Yul(inner) => inner.declare(context),
             Self::EVMLA(inner) => inner.declare(context),
             Self::LLVMIR(_inner) => Ok(()),
-            Self::ZKASM(_inner) => Ok(()),
         }
     }
 
@@ -88,7 +77,6 @@ where
             Self::Yul(inner) => inner.into_llvm(context),
             Self::EVMLA(inner) => inner.into_llvm(context),
             Self::LLVMIR(_inner) => Ok(()),
-            Self::ZKASM(_inner) => Ok(()),
         }
     }
 }