Remove unneeded extern crate, macro_use, and tidy uses.

crates/api/src/trampoline/memory.rs

@@ -1,3 +1,5 @@
+use super::create_handle::create_handle;
+use crate::MemoryType;
 use alloc::boxed::Box;
 use alloc::string::ToString;
 use anyhow::Result;
@@ -5,9 +7,6 @@ use cranelift_entity::PrimaryMap;
 use wasmtime_environ::Module;
 use wasmtime_runtime::InstanceHandle;
 
-use super::create_handle::create_handle;
-use crate::MemoryType;
-
 #[allow(dead_code)]
 
 pub fn create_handle_with_memory(memory: &MemoryType) -> Result<InstanceHandle> {