removed var assign statement struct

src/codegen.rs

@@ -1,8 +1,8 @@
 use mist_parser::ast::{
     Attribute, BinaryOp, Block, ClassItem, EnumItem, Expression, FieldDecl, FunctionDecl, Generic,
     Generics, Identifier, ImplDecl, Literal, Path, Pattern, Postfix, Prefix, Statement,
-    StatementBranch, TopLevel, TopLevelKind, TypeExpr, TypeExprKind, TypePostfix, VarAssignStmt,
-    VarDecl, VarDeclStmt, Visibility,
+    StatementBranch, TopLevel, TopLevelKind, TypeExpr, TypeExprKind, TypePostfix, VarDecl,
+    VarDeclStmt, Visibility,
 };
 
 // ---------------------------------------------------------------------------