cov: remove redundent line
diff --git a/sgx_cov/lib.rs b/sgx_cov/lib.rs
index fdf19f3..8b1565e 100644
--- a/sgx_cov/lib.rs
+++ b/sgx_cov/lib.rs
@@ -188,8 +188,6 @@
                 Err(_) => File::create(&new_gcda_name)?,
             };
 
-            println!("opened file {}", new_gcda_name);
-
             let c3: u8 = ((version >> 24) & 0x000000FF) as u8;
             let c2: u8 = ((version >> 16) & 0x000000FF) as u8;
             let c1: u8 = ((version >> 8) & 0x000000FF) as u8;
@@ -200,8 +198,6 @@
             } else {
                 ((c3 - '0' as u8) as u32) * 10 + (c1 - '0' as u8) as u32
             };
-            println!("parsed_gcov_version = {}", parsed_gcov_version);
-            println!("parsed_gcov_version = {:?}", &parsed_gcov_version.to_le_bytes());
 
             tup.1 = parsed_gcov_version;