Removed /etc/systemd/system/local-fs.target.wants/dietpi-fs_partition_resize.service.
Disk /dev/mmcblk0: 59.48 GiB, 63864569856 bytes, 124735488 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0x445e0a59

Old situation:

Device         Boot  Start     End Sectors   Size Id Type
/dev/mmcblk0p1 *      8192  270335  262144   128M  c W95 FAT32 (LBA)
/dev/mmcblk0p2      270336 1781055 1510720 737.7M 83 Linux

/dev/mmcblk0p2:
New situation:
Disklabel type: dos
Disk identifier: 0x445e0a59

Device         Boot  Start       End   Sectors  Size Id Type
/dev/mmcblk0p1 *      8192    270335    262144  128M  c W95 FAT32 (LBA)
/dev/mmcblk0p2      270336 124735487 124465152 59.3G 83 Linux

The partition table has been altered.
resize2fs 1.46.2 (28-Feb-2021)
Filesystem at /dev/mmcblk0p2 is mounted on /; on-line resizing required
old_desc_blocks = 1, new_desc_blocks = 8
The filesystem on /dev/mmcblk0p2 is now 15558144 (4k) blocks long.