[antlir2][rpm] remove log of dnf driver command

Summary:
This is a very verbose log statement and has nothing of value for users. It's
strictly more confusing to include it than to not.

Test Plan: testhard

Reviewed By: justintrudell

Differential Revision: D85809860

fbshipit-source-id: 8d588bb4c635071d40664325eb54b0228ac79e01

Author: vmagro

antlir/antlir2/features/rpm/rpm.rs

@@ -616,7 +616,6 @@ fn run_dnf_driver(
 
     let mut cmd = isol.command(driver_cmd.next().context("driver_cmd is empty")?)?;
     cmd.args(driver_cmd);
-    trace!("dnf driver command: {cmd:#?}");
 
     let mut child = cmd
         .stdin(mfd.into_file())