refactor: clean up import statements and comment out unused function

Author: luodeb

src/sysreg/cntp_tval_el0.rs

@@ -2,10 +2,7 @@ extern crate alloc;
 
 use aarch64_sysreg::SystemRegType;
 
-
-use axaddrspace::
-    device::{AccessWidth, DeviceAddrRange, SysRegAddr, SysRegAddrRange}
-;
+use axaddrspace::device::{AccessWidth, DeviceAddrRange, SysRegAddr, SysRegAddrRange};
 use axdevice_base::{BaseDeviceOps, EmuDeviceType};
 use axerrno::AxResult;
 use axvisor_api::time::{current_time_nanos, register_timer};

src/vcpu.rs

@@ -121,10 +121,10 @@ impl<H: AxVCpuHal> axvcpu::AxArchVCpu for Aarch64VCpu<H> {
         self.ctx.set_gpr(idx, val);
     }
 
-    fn inject_interrupt(&mut self, vector: usize) -> AxResult {
-        axvisor_api::arch::hardware_inject_virtual_interrupt(vector as u8);
-        Ok(())
-    }
+    // fn inject_interrupt(&mut self, vector: usize) -> AxResult {
+    //     axvisor_api::arch::hardware_inject_virtual_interrupt(vector as u8);
+    //     Ok(())
+    // }
 }
 
 // Private function