staging: csr: oska: remove list.c and list.h

No one is using these functions, so remove them.

Cc: Mikko Virkkilä <mikko.virkkila@bluegiga.com>
Cc: Lauri Hintsala <Lauri.Hintsala@bluegiga.com>
Cc: Riku Mettälä <riku.mettala@bluegiga.com>
Cc: Veli-Pekka Peltola <veli-pekka.peltola@bluegiga.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/csr/oska/Makefile

 obj-$(CONFIG_CSR_WIFI) := csr_oska.o
 
 csr_oska-y := \
-       list.o \
        event.o \
        oska_module.o \
        print.o  \

drivers/staging/csr/oska/list.c

-/*
- * Operating system kernel abstraction -- linked lists.
- *
- * Copyright (C) 2009-2010 Cambridge Silicon Radio Ltd.
- *
- * Refer to LICENSE.txt included with this source code for details on
- * the license terms.
- */
-
-#include <stddef.h>
-#include "list.h"
-
-/**
- * Initialize an empty list.
- *
- * @ingroup list
- */
-void os_list_init(struct os_list *list)
-{
-    list->head.next = list->head.prev = &list->head;
-}
-
-/**
- * Is the list empty?
- *
- * @return true iff the list contains no nodes.
- *
- * @ingroup list
- */
-int os_list_empty(struct os_list *list)
-{
-    return list->head.next == &list->head;
-}
-
-static void os_list_add(struct os_list_node *prev, struct os_list_node *new,
-                        struct os_list_node *next)
-{
-    next->prev = new;
-    new->next  = next;
-    new->prev  = prev;
-    prev->next = new;
-}
-
-/**
- * Add a node to the tail of the list.
- *
- * @param list the list.
- * @param node the list node to add.
- *
- * @ingroup list
- */
-void os_list_add_tail(struct os_list *list, struct os_list_node *node)
-{
-    os_list_add(list->head.prev, node, &list->head);
-}
-
-/**
- * Remove a node from a list.
- *
- * @param node the node to remove.
- *
- * @ingroup list
- */
-void os_list_del(struct os_list_node *node)
-{
-    node->prev->next = node->next;
-    node->next->prev = node->prev;
-
-    node->prev = node->next = NULL;
-}
-
-/**
- * The node at the head of the list.
- *
- * @param list the list.
- *
- * @return the node at the head of the list; or os_list_end() if the
- * list is empty.
- *
- * @ingroup list
- */
-struct os_list_node *os_list_head(struct os_list *list)
-{
-    return list->head.next;
-}
-
-/**
- * The node marking the end of a list.
- *
- * @param list the list.
- *
- * @return the node that marks the end of the list.
- *
- * @ingroup list
- */
-struct os_list_node *os_list_end(struct os_list *list)
-{
-    return &list->head;
-}

drivers/staging/csr/oska/list.h

-/*
- * Operating system kernel abstraction -- linked lists.
- *
- * Copyright (C) 2009-2010 Cambridge Silicon Radio Ltd.
- *
- * Refer to LICENSE.txt included with this source code for details on
- * the license terms.
- */
-#ifndef __OSKA_LIST_H
-#define __OSKA_LIST_H
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/**
- * @defgroup list Linked Lists
- *
- * Generic linked list implementations suitable for all platforms.
- *
- *   - Circular, doubly-linked list (struct os_list).
- */
-
-/**
- * A list node.
- *
- * This list node structure should be the first field within any
- * structure that is to be stored in a list.
- *
- * @see struct os_list
- * @ingroup list
- */
-struct os_list_node {
-    /**
-     * The pointer to the previous node in the list, or os_list_end()
-     * if the end of the list has been reached.
-     */
-    struct os_list_node *prev;
-    /**
-     * The pointer to the next node in the list, or os_list_end() if
-     * the end of the list has been reached.
-     */
-    struct os_list_node *next;
-};
-
-/**
- * A circular, doubly-linked list of nodes.
- *
- * Structures to be stored in a list should contains a struct
- * os_list_node as the \e first field.
- * \code
- *   struct foo {
- *      struct os_list_node node;
- *      int bar;
- *      ...
- *   };
- * \endcode
- * Going to/from a struct foo to a list node is then simple.
- * \code
- *   struct os_list_node *node;
- *   struct foo *foo;
- *   [...]
- *   node = &foo->node;
- *   foo = (struct foo *)node
- * \endcode
- * Lists must be initialized with os_list_init() before adding nodes
- * with os_list_add_tail().  The node at the head of the list is
- * obtained with os_list_head().  Nodes are removed from the list with
- * os_list_del().
- *
- * A list can be interated from the head to the tail using:
- * \code
- *   struct os_list_node *node;
- *   for (node = os_list_head(list); node != os_list_end(list); node = node->next) {
- *      struct foo *foo = (struct foo *)node;
- *      ...
- *   }
- * \endcode
- *
- * In the above loop, the current list node cannot be removed (with
- * os_list_del()).  If this is required use this form of loop:
- * \code
- *   struct os_list_node *node, *next;
- *   for (node = os_list_head(list), next = node->next;
- *        node != os_list_end(list);
- *        node = next, next = node->next) {
- *      struct foo *foo = (struct foo *)node;
- *      ...
- *      os_list_del(node);
- *      ...
- *   }
- * \endcode
- *
- * @ingroup list
- */
-struct os_list {
-    /**
-     * @internal
-     * The dummy node marking the end of the list.
-     */
-    struct os_list_node head;
-};
-
-void os_list_init(struct os_list *list);
-int os_list_empty(struct os_list *list);
-void os_list_add_tail(struct os_list *list, struct os_list_node *node);
-void os_list_del(struct os_list_node *node);
-struct os_list_node *os_list_head(struct os_list *list);
-struct os_list_node *os_list_end(struct os_list *list);
-
-#ifdef __cplusplus
-} /* extern "C" */
-#endif
-
-#endif /* #ifndef __OSKA_LIST_H */