Boot/EFI 93% full - How do I recover space before problems occur?

s -lh /boot/efi/ total 24Kdrwx------ 2 root root 4.0K Oct 26 15:38 44852167afaf0dc3d543cffb6359b6b8 ----- emptydrwx------ 2 root root 4.0K Nov 30 21:00 50a7f5e00a1a3c5ffe7b4e9263883504 -----emptydrwx------ 2 root root 4.0K Dec 6 06:26 c5ca094cb373b6265ce6359e638f50f9------ emptydrwx------ 7 root root 4.0K Dec 6 06:26 EFI - see belowdrwx------ 3 root root 4.0K Mar 8 01:18 loader --- 5.4 kb - november filesdrwx------ 4 root root 4.0K Nov 30 21:01 system76-firmware-update -36.3 MB - november filesdrwx------ 7 root root 4.0K Dec 6 06:26 EFI - folders belowBoot - 95 kbLinux- emptyPop_OS-3d26ba55-58fe-43de-b969-886057a5b1ae - 289 MB -5 files--cmdline - a few bytes-initd.img - 134 mb-initd.img.previous -129 mbvmlinuz.efi -13mbvmlinuz=previous.efi-13mbRecovery-3777-0423 - 34 mbsystemd - 95kb

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