Cleanup rust-utils (#4646)

automerge

sdk/bpf/rust-utils/src/lib.rs

@@ -8,10 +8,10 @@
 
 extern crate compiler_builtins;
 
-pub mod alloc;
+pub mod allocator;
 pub mod entrypoint;
 pub mod log;
 pub mod panic;
 
 #[global_allocator]
-static A: alloc::Allocator = alloc::Allocator;
+static A: allocator::Allocator = allocator::Allocator;

sdk/bpf/rust-utils/src/panic.rs

@@ -1,7 +1,5 @@
 //! @brief Solana Rust-based BPF program panic handling
 
-use crate::log::*;
-use core::fmt::{self, Write};
 use core::panic::PanicInfo;
 
 #[cfg(not(test))]