fixup! Track dirty pages from host side

Author: ludfjig

src/hyperlight_host/src/mem/shared_mem.rs

@@ -322,10 +322,8 @@ impl ExclusiveSharedMemory {
             c_int, mmap, mprotect, off_t, size_t,
         };
 
-        use crate::{
-            error::HyperlightError::{MemoryRequestTooBig, MmapFailed, MprotectFailed},
-            mem::bitmap::new_page_bitmap,
-        };
+        use crate::error::HyperlightError::{MemoryRequestTooBig, MmapFailed, MprotectFailed};
+        use crate::mem::bitmap::new_page_bitmap;
 
         if min_size_bytes == 0 {
             return Err(new_error!("Cannot create shared memory with size 0"));