diskpart

list disk
select disk ( your case number )
list partition
select partition ( your case number partition system UEFI / linux partition )
assign letter=b ( b another you want )
exit

affter exit type b to file your created
dir
( can you see EFI folder  )
then, cd EFI
dir ( for see the EFI folder linux your install )
rd parrot/s ( rd for remove , parrot your name linux/s ) and yes

yeah completely unintsall