excessive journal debug logging

Looking in my journalctl I see hundreds and hundreds of lines such as

```
Aug 10 09:03:38 dad-TUXEDO-Pulse-15-Gen1 40grub2[96316]: debug: parsing: ### END /etc/grub.d/05_debian_theme ###
Aug 10 09:03:38 dad-TUXEDO-Pulse-15-Gen1 40grub2[96317]: debug: parsing:
Aug 10 09:03:38 dad-TUXEDO-Pulse-15-Gen1 40grub2[96318]: debug: parsing: ### BEGIN /etc/grub.d/10_linux ###
Aug 10 09:03:38 dad-TUXEDO-Pulse-15-Gen1 40grub2[96319]: debug: parsing: function gfxmode {
Aug 10 09:03:38 dad-TUXEDO-Pulse-15-Gen1 40grub2[96320]: debug: parsing: set gfxpayload="${1}"
Aug 10 09:03:38 dad-TUXEDO-Pulse-15-Gen1 40grub2[96321]: debug: parsing: if [ "${1}" = "keep" ]; then
Aug 10 09:03:38 dad-TUXEDO-Pulse-15-Gen1 40grub2[96322]: debug: parsing: set vt_handoff=vt.handoff=7
Aug 10 09:03:38 dad-TUXEDO-Pulse-15-Gen1 40grub2[96323]: debug: parsing: else
Aug 10 09:03:38 dad-TUXEDO-Pulse-15-Gen1 40grub2[96324]: debug: parsing: set vt_handoff=
Aug 10 09:03:38 dad-TUXEDO-Pulse-15-Gen1 40grub2[96325]: debug: parsing: fi
Aug 10 09:03:38 dad-TUXEDO-Pulse-15-Gen1 40grub2[96326]: debug: parsing: }
Aug 10 09:03:38 dad-TUXEDO-Pulse-15-Gen1 40grub2[96327]: debug: parsing: if [ "${recordfail}" != 1 ]; then
Aug 10 09:03:38 dad-TUXEDO-Pulse-15-Gen1 40grub2[96328]: debug: parsing: if [ -e ${prefix}/gfxblacklist.txt ]; then
Aug 10 09:03:38 dad-TUXEDO-Pulse-15-Gen1 40grub2[96329]: debug: parsing: if [ ${grub_platform} != pc ]; then
Aug 10 09:03:38 dad-TUXEDO-Pulse-15-Gen1 40grub2[96330]: debug: parsing: set linux_gfx_mode=keep
Aug 10 09:03:38 dad-TUXEDO-Pulse-15-Gen1 40grub2[96331]: debug: parsing: elif hwmatch ${prefix}/gfxblacklist.txt 3; then
Aug 10 09:03:38 dad-TUXEDO-Pulse-15-Gen1 40grub2[96332]: debug: parsing: if [ ${match} = 0 ]; then
Aug 10 09:03:38 dad-TUXEDO-Pulse-15-Gen1 40grub2[96333]: debug: parsing: set linux_gfx_mode=keep
Aug 10 09:03:38 dad-TUXEDO-Pulse-15-Gen1 40grub2[96334]: debug: parsing: else
Aug 10 09:03:38 dad-TUXEDO-Pulse-15-Gen1 40grub2[96335]: debug: parsing: set linux_gfx_mode=text
Aug 10 09:03:38 dad-TUXEDO-Pulse-15-Gen1 40grub2[96336]: debug: parsing: fi
Aug 10 09:03:38 dad-TUXEDO-Pulse-15-Gen1 40grub2[96337]: debug: parsing: else
Aug 10 09:03:38 dad-TUXEDO-Pulse-15-Gen1 40grub2[96338]: debug: parsing: set linux_gfx_mode=text
Aug 10 09:03:38 dad-TUXEDO-Pulse-15-Gen1 40grub2[96339]: debug: parsing: fi
Aug 10 09:03:38 dad-TUXEDO-Pulse-15-Gen1 40grub2[96340]: debug: parsing: else
```

What I did today was to unsuspend my laptop - I switched to a TTY and logged in. So that timestamp is from a TTY login

ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: grub2 (not installed)
ProcVersionSignature: Ubuntu 5.15.0-41.44-generic 5.15.39
Uname: Linux 5.15.0-41-generic x86_64
NonfreeKernelModules: lkp_Ubuntu_5_15_0_41_44_generic_88
ApportVersion: 2.20.11-0ubuntu82.1
Architecture: amd64
CasperMD5CheckResult: pass
CurrentDesktop: Budgie:GNOME
Date: Wed Aug 10 09:13:14 2022
InstallationDate: Installed on 2022-01-29 (192 days ago)
InstallationMedia: Ubuntu-Budgie 22.04 LTS "Jammy Jellyfish" - Alpha amd64 (20220129)
SourcePackage: grub2
UpgradeStatus: No upgrade log present (probably fresh install)