Isolation of udev code from remaining systemd

This commit is a first attempt to isolate the udev code from the
remaining code base.  It intentionally does not modify any files
but purely delete files which, on a first examination, appear to
not be needed.  This is a sweeping commit which may easily have
missed needed code.  Files can be retrieved by doing a checkout
from the previous commit:

 git checkout 2944f347d0 -- <filename>

1 files changed, 0 insertions, 22 deletions

diff --git a/src/journal/lookup3.h b/src/journal/lookup3.h
deleted file mode 100644
index 502b42c209..0000000000
--- a/src/journal/lookup3.h
+++ /dev/null
@@ -1,22 +0,0 @@
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-#pragma once
-
-#include <inttypes.h>
-#include <sys/types.h>
-
-uint32_t jenkins_hashword(const uint32_t *k, size_t length, uint32_t initval);
-void jenkins_hashword2(const uint32_t *k, size_t length, uint32_t *pc, uint32_t *pb);
-
-uint32_t jenkins_hashlittle(const void *key, size_t length, uint32_t initval);
-void jenkins_hashlittle2(const void *key, size_t length, uint32_t *pc, uint32_t *pb);
-
-uint32_t jenkins_hashbig(const void *key, size_t length, uint32_t initval);
-
-static inline uint64_t hash64(const void *data, size_t length) {
-        uint32_t a = 0, b = 0;
-
-        jenkins_hashlittle2(data, length, &a, &b);
-
-        return ((uint64_t) a << 32ULL) | (uint64_t) b;
-}