ARM: davinci: remove unused davinci_init_ide() declaration

The davinci_init_ide() has been removed since
commit 2af4fcc0 ("ARM: davinci: remove unused board support"),
so remove it.
Signed-off-by: Gaosheng Cui <cuigaosheng1@huawei.com>
Link: https://lore.kernel.org/r/20240813071640.1047137-3-cuigaosheng1@huawei.comSigned-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

arch/arm/mach-davinci/common.h

@@ -52,7 +52,6 @@ struct davinci_soc_info {
 extern struct davinci_soc_info davinci_soc_info;
 
 extern void davinci_common_init(const struct davinci_soc_info *soc_info);
-extern void davinci_init_ide(void);
 void davinci_init_late(void);
 
 #ifdef CONFIG_SUSPEND