lint: remove some warning

src/kernel/thread.rs

@@ -1,6 +1,6 @@
 use std::{rc::Rc, cell::RefCell};
 
-use super::{process::Process, system::ObjectType};
+use super::process::Process;
 use crate::{simulator::machine::{NUM_INT_REGS, NUM_FP_REGS, STACK_REG}};
 
 const STACK_FENCEPOST: u32 = 0xdeadbeef;
@@ -27,7 +27,6 @@ pub struct Thread {
     pub process: Option<Rc<RefCell<Process>>>,
     pub thread_context: ThreadContext,
     pub stack_pointer: i32,
-    object_type: ObjectType
 }
 
 impl Thread {
@@ -44,7 +43,6 @@ impl Thread {
                 pc: 0 
             },
             stack_pointer: 0,
-            object_type: ObjectType::ThreadType,
         }
     }
 
@@ -76,23 +74,10 @@ impl Thread {
 
 }
 
-impl Drop for Thread {
-
-    fn drop(&mut self) {
-        self.object_type = ObjectType::InvalidType;
-        // todo!();
-    }
-
-}
-
-fn start_thread_execution() {
-    
-}
-
 #[cfg(test)]
 mod test {
 
-    use super::{Thread, ThreadContext, NUM_INT_REGS, NUM_FP_REGS, ObjectType};
+    use super::{Thread, ThreadContext, NUM_INT_REGS, NUM_FP_REGS};
     const DEFAULT_THREAD_NAME: &str = "test_thread";
 
     /// This macro allows for getting a Thread for which we've ensured proper initial state
@@ -110,7 +95,6 @@ mod test {
                 pc: 0 
             };
             x.stack_pointer = 0;
-            x.object_type = ObjectType::ThreadType;
             x }
         };
     }