[PATCH] samples/bpf: remove unused hash_func01.h header

[Ethan Nelson-Moore <enelsonmoore@gmail.com>]

samples/bpf/hash_func01.h has been unused since commit 91dda69b08de
("samples/bpf: Remove the xdp_redirect* utilities"). Remove it.

Signed-off-by: Ethan Nelson-Moore <enelsonmoore@gmail.com>
---
 samples/bpf/hash_func01.h | 55 ---------------------------------------
 1 file changed, 55 deletions(-)
 delete mode 100644 samples/bpf/hash_func01.h

diff --git a/samples/bpf/hash_func01.h b/samples/bpf/hash_func01.h
deleted file mode 100644
index 38255812e376..000000000000
--- a/samples/bpf/hash_func01.h
+++ /dev/null
@@ -1,55 +0,0 @@
-/* SPDX-License-Identifier: LGPL-2.1
- *
- * Based on Paul Hsieh's (LGPG 2.1) hash function
- * From: http://www.azillionmonkeys.com/qed/hash.html
- */
-
-#define get16bits(d) (*((const __u16 *) (d)))
-
-static __always_inline
-__u32 SuperFastHash (const char *data, int len, __u32 initval) {
-	__u32 hash = initval;
-	__u32 tmp;
-	int rem;
-
-	if (len <= 0 || data == NULL) return 0;
-
-	rem = len & 3;
-	len >>= 2;
-
-	/* Main loop */
-#pragma clang loop unroll(full)
-	for (;len > 0; len--) {
-		hash  += get16bits (data);
-		tmp    = (get16bits (data+2) << 11) ^ hash;
-		hash   = (hash << 16) ^ tmp;
-		data  += 2*sizeof (__u16);
-		hash  += hash >> 11;
-	}
-
-	/* Handle end cases */
-	switch (rem) {
-        case 3: hash += get16bits (data);
-                hash ^= hash << 16;
-                hash ^= ((signed char)data[sizeof (__u16)]) << 18;
-                hash += hash >> 11;
-                break;
-        case 2: hash += get16bits (data);
-                hash ^= hash << 11;
-                hash += hash >> 17;
-                break;
-        case 1: hash += (signed char)*data;
-                hash ^= hash << 10;
-                hash += hash >> 1;
-	}
-
-	/* Force "avalanching" of final 127 bits */
-	hash ^= hash << 3;
-	hash += hash >> 5;
-	hash ^= hash << 4;
-	hash += hash >> 17;
-	hash ^= hash << 25;
-	hash += hash >> 6;
-
-	return hash;
-}
-- 
2.43.0