From admin console, run
diskpart
then:
DISKPART> list disk
DISKPART> select disk 5
Disk 4 is now the selected disk.
DISKPART> list partition
Partition ### Type Size Offset
------------- ---------------- ------- -------
Partition 2 Primary 110 GB 1024 KB
Partition 1 Recovery 450 MB 110 GB
DISKPART> select partition 1
Partition 1 is now the selected partition.
DISKPART> delete partition override
DiskPart successfully deleted the selected partition.
DISKPART> list partition
Partition ### Type Size Offset
------------- ---------------- ------- -------
Partition 1 Primary 111 GB 1024 KB
Recovery partition should be deleted. Now you can expand the partition using disk manager gui.