Remove RUST_LOG=debug from forwarder_guest_launcher.service

Bug: n/a
Change-Id: I27a72837e2e1e2448ce02d7d055d347de43792a5
Test: n/a
diff --git a/build/debian/fai_config/files/etc/systemd/system/forwarder_guest_launcher.service/AVF b/build/debian/fai_config/files/etc/systemd/system/forwarder_guest_launcher.service/AVF
index 6dbabea..f4c2a24 100644
--- a/build/debian/fai_config/files/etc/systemd/system/forwarder_guest_launcher.service/AVF
+++ b/build/debian/fai_config/files/etc/systemd/system/forwarder_guest_launcher.service/AVF
@@ -4,7 +4,7 @@
 After=network.target
 After=virtiofs_internal.service
 [Service]
-ExecStart=/usr/bin/bash -c 'RUST_LOG=debug /usr/local/bin/forwarder_guest_launcher --host 192.168.0.1 --grpc_port $(cat /mnt/internal/debian_service_port)'
+ExecStart=/usr/bin/bash -c '/usr/local/bin/forwarder_guest_launcher --host 192.168.0.1 --grpc_port $(cat /mnt/internal/debian_service_port)'
 Type=simple
 Restart=on-failure
 RestartSec=1