refs API: post-migration API renaming [2/2]

Rename the transitory refs_werrres_ref_unsafe() function to
refs_resolve_ref_unsafe(), now that all callers of the old function
have learned to pass in a "failure_errno" parameter.

The coccinelle semantic patch added in the preceding commit works, but
I couldn't figure out how to get spatch(1) to re-flow these argument
lists (and sometimes make lines way too long), so this rename was done
with:

    perl -pi -e 's/refs_werrres_ref_unsafe/refs_resolve_ref_unsafe/g' \
    $(git grep -l refs_werrres_ref_unsafe -- '*.c')

But after that "make contrib/coccinelle/refs.cocci.patch" comes up
empty, so the result would have been the same. Let's remove that
transitory semantic patch file, we won't need to retain it for any
other in-flight changes, refs_werrres_ref_unsafe() only existed within
this patch series.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/worktree.c b/worktree.c
index 7d7cf05..2c155b1 100644
--- a/worktree.c
+++ b/worktree.c
@@ -30,7 +30,7 @@ static void add_head_info(struct worktree *wt)
 	const char *target;
 	int ignore_errno;
 
-	target = refs_werrres_ref_unsafe(get_worktree_ref_store(wt),
+	target = refs_resolve_ref_unsafe(get_worktree_ref_store(wt),
 					 "HEAD",
 					 0,
 					 &wt->head_oid, &flags,
@@ -437,7 +437,7 @@ const struct worktree *find_shared_symref(const char *symref,
 		}
 
 		refs = get_worktree_ref_store(wt);
-		symref_target = refs_werrres_ref_unsafe(refs, symref, 0,
+		symref_target = refs_resolve_ref_unsafe(refs, symref, 0,
 							NULL, &flags,
 							&ignore_errno);
 		if ((flags & REF_ISSYMREF) &&
@@ -574,7 +574,7 @@ int other_head_refs(each_ref_fn fn, void *cb_data)
 
 		strbuf_reset(&refname);
 		strbuf_worktree_ref(wt, &refname, "HEAD");
-		if (refs_werrres_ref_unsafe(get_main_ref_store(the_repository),
+		if (refs_resolve_ref_unsafe(get_main_ref_store(the_repository),
 					    refname.buf,
 					    RESOLVE_REF_READING,
 					    &oid, &flag, &ignore_errno))