Revert "Add basic lvm3 patches"

This reverts commit ceceed23584c054edf57c3746d40d9427349dc05.

# Please enter the commit message for your changes.
# (Comment lines starting with '#' will not be included)
# On branch ddbase
# Changes to be committed:
#   (use "git reset HEAD <file>..." to unstage)
#
#	deleted:    drivers/ddlink.c
#	deleted:    include/linux/ddlink.h
#	deleted:    include/linux/ddsetup.h
#	deleted:    patches/aaa-throttle
#	deleted:    patches/bio-alloc
#	deleted:    patches/bio-alloc-hide-endio
#	deleted:    patches/bio-alloc-stack
#	deleted:    patches/bio-alloc-stack-reduce-dm-allocs
#	deleted:    patches/bio-throttle
#	deleted:    patches/ddlink
#	deleted:    patches/ddlink-ddsetup
#
# Untracked files:
#   (use "git add <file>..." to include in what will be committed)
#
#	arch/um/Kconfig.arch
#	arch/um/include/kern_constants.h
#	arch/um/include/sysdep
#	arch/um/include/uml-config.h
#	arch/um/include/user_constants.h
#	arch/um/kernel/config.c
#	arch/um/kernel/config.tmp
#	arch/um/os
#	include/asm-um/arch
#	include/asm-um/archparam.h
#	include/asm-um/elf.h
#	include/asm-um/host_ldt.h
#	include/asm-um/module.h
#	include/asm-um/processor.h
#	include/asm-um/ptrace.h
#	include/asm-um/sigcontext.h
#	include/asm-um/system.h
#	include/asm-um/vm-flags.h
#	linux