Remove redundant cirrus vga ram functions.

Signed-off-by: Paul Brook <paul@codesourcery.com>
diff --git a/hw/cirrus_vga.c b/hw/cirrus_vga.c
index df98f85..52ac346 100644
--- a/hw/cirrus_vga.c
+++ b/hw/cirrus_vga.c
@@ -2484,36 +2484,6 @@
     cirrus_linear_writel,
 };
 
-static void cirrus_linear_mem_writeb(void *opaque, target_phys_addr_t addr,
-                                     uint32_t val)
-{
-    CirrusVGAState *s = (CirrusVGAState *) opaque;
-
-    addr &= s->cirrus_addr_mask;
-    *(s->vram_ptr + addr) = val;
-    cpu_physical_memory_set_dirty(s->vram_offset + addr);
-}
-
-static void cirrus_linear_mem_writew(void *opaque, target_phys_addr_t addr,
-                                     uint32_t val)
-{
-    CirrusVGAState *s = (CirrusVGAState *) opaque;
-
-    addr &= s->cirrus_addr_mask;
-    cpu_to_le16w((uint16_t *)(s->vram_ptr + addr), val);
-    cpu_physical_memory_set_dirty(s->vram_offset + addr);
-}
-
-static void cirrus_linear_mem_writel(void *opaque, target_phys_addr_t addr,
-                                     uint32_t val)
-{
-    CirrusVGAState *s = (CirrusVGAState *) opaque;
-
-    addr &= s->cirrus_addr_mask;
-    cpu_to_le32w((uint32_t *)(s->vram_ptr + addr), val);
-    cpu_physical_memory_set_dirty(s->vram_offset + addr);
-}
-
 /***************************************
  *
  *  system to screen memory access