rbd: remove rbd_mimic.go

go-ceph stopped supporting mimic in v0.7.0. This file no longer is
needed.

Signed-off-by: John Mulligan <jmulligan@redhat.com>

rbd/rbd_mimic.go

@@ -1,42 +0,0 @@
-// +build luminous mimic
-// +build !nautilus
-//
-// Ceph Nautilus includes rbd_list2() and marked rbd_list() deprecated.
-
-package rbd
-
-// #cgo LDFLAGS: -lrbd
-// #include <rados/librados.h>
-// #include <rbd/librbd.h>
-// #include <errno.h>
-import "C"
-
-import (
-	"unsafe"
-
-	"github.com/ceph/go-ceph/internal/cutil"
-	"github.com/ceph/go-ceph/internal/retry"
-	"github.com/ceph/go-ceph/rados"
-)
-
-// GetImageNames returns the list of current RBD images.
-func GetImageNames(ioctx *rados.IOContext) (names []string, err error) {
-	var (
-		buf   []byte
-		csize C.size_t
-	)
-	// from 4KiB to 32KiB
-	retry.WithSizes(4096, 1<<15, func(size int) retry.Hint {
-		csize = C.size_t(size)
-		buf = make([]byte, csize)
-		ret := C.rbd_list(cephIoctx(ioctx),
-			(*C.char)(unsafe.Pointer(&buf[0])), &csize)
-		err = getErrorIfNegative(ret)
-		return retry.Size(int(csize)).If(err == errRange)
-	})
-	if err != nil {
-		return nil, err
-	}
-	names = cutil.SplitSparseBuffer(buf[:csize])
-	return names, nil
-}