misc: Remove redundant "use" imports

With the nightly toolchain (2024-02-18) cargo check will flag up
redundant imports either because they are pulled in by the prelude on
earlier match.

Remove those redundant imports.

Signed-off-by: Rob Bradford <rbradford@rivosinc.com>

vmm/src/config.rs

@@ -10,7 +10,6 @@ use option_parser::{
 };
 use serde::{Deserialize, Serialize};
 use std::collections::{BTreeSet, HashMap};
-use std::convert::From;
 use std::fmt;
 use std::path::PathBuf;
 use std::result;

vmm/src/lib.rs

@@ -2035,7 +2035,7 @@ mod unit_tests {
     use crate::config::DebugConsoleConfig;
     use config::{
         ConsoleConfig, ConsoleOutputMode, CpusConfig, HotplugMethod, MemoryConfig, PayloadConfig,
-        RngConfig, VmConfig,
+        RngConfig,
     };
 
     fn create_dummy_vmm() -> Vmm {

vmm/src/memory_manager.rs

@@ -28,7 +28,6 @@ use serde::{Deserialize, Serialize};
 #[cfg(all(target_arch = "x86_64", feature = "guest_debug"))]
 use std::collections::BTreeMap;
 use std::collections::HashMap;
-use std::convert::TryInto;
 use std::fs::{File, OpenOptions};
 use std::io::{self};
 use std::ops::{BitAnd, Deref, Not, Sub};

vmm/src/pci_segment.rs

@@ -10,7 +10,7 @@
 //
 
 use crate::device_manager::{AddressManager, DeviceManagerError, DeviceManagerResult};
-use acpi_tables::{self, aml, Aml};
+use acpi_tables::{aml, Aml};
 use arch::layout;
 use pci::{DeviceRelocation, PciBdf, PciBus, PciConfigMmio, PciRoot};
 #[cfg(target_arch = "x86_64")]

vmm/src/seccomp_filters.rs

@@ -9,7 +9,6 @@ use seccompiler::{
     BackendError, BpfProgram, Error, SeccompAction, SeccompCmpArgLen as ArgLen, SeccompCmpOp::Eq,
     SeccompCondition as Cond, SeccompFilter, SeccompRule,
 };
-use std::convert::TryInto;
 
 pub enum Thread {
     HttpApi,

vmm/src/vm.rs

@@ -73,7 +73,6 @@ use serde::{Deserialize, Serialize};
 use std::cmp;
 use std::collections::BTreeMap;
 use std::collections::HashMap;
-use std::convert::TryInto;
 use std::fs::{File, OpenOptions};
 use std::io::{self, Seek, SeekFrom, Write};
 #[cfg(all(target_arch = "x86_64", feature = "guest_debug"))]