auxdisplay: Remove unused functions

cfag12864b_getrate() and cfag12864b_isenabled() were both added
in commit 70e8404 ("[PATCH] drivers: add LCD support")
but never used.

Remove them.

Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Miguel Ojeda <ojeda@kernel.org>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

Author: Dr. David Alan Gilbert

drivers/auxdisplay/cfag12864b.c

@@ -37,11 +37,6 @@ module_param(cfag12864b_rate, uint, 0444);
 MODULE_PARM_DESC(cfag12864b_rate,
 	"Refresh rate (hertz)");
 
-unsigned int cfag12864b_getrate(void)
-{
-	return cfag12864b_rate;
-}
-
 /*
  * cfag12864b Commands
  *
@@ -249,11 +244,6 @@ void cfag12864b_disable(void)
 	mutex_unlock(&cfag12864b_mutex);
 }
 
-unsigned char cfag12864b_isenabled(void)
-{
-	return cfag12864b_updating;
-}
-
 static void cfag12864b_update(struct work_struct *work)
 {
 	unsigned char c;
@@ -293,10 +283,8 @@ static void cfag12864b_update(struct work_struct *work)
  */
 
 EXPORT_SYMBOL_GPL(cfag12864b_buffer);
-EXPORT_SYMBOL_GPL(cfag12864b_getrate);
 EXPORT_SYMBOL_GPL(cfag12864b_enable);
 EXPORT_SYMBOL_GPL(cfag12864b_disable);
-EXPORT_SYMBOL_GPL(cfag12864b_isenabled);
 
 /*
  * Is the module inited?

include/linux/cfag12864b.h

@@ -27,13 +27,6 @@
  */
 extern unsigned char * cfag12864b_buffer;
 
-/*
- * Get the refresh rate of the LCD
- *
- * Returns the refresh rate (hertz).
- */
-extern unsigned int cfag12864b_getrate(void);
-
 /*
  * Enable refreshing
  *
@@ -49,16 +42,6 @@ extern unsigned char cfag12864b_enable(void);
  */
 extern void cfag12864b_disable(void);
 
-/*
- * Is enabled refreshing? (is anyone using the module?)
- *
- * Returns 0 if refreshing is not enabled (anyone is using it),
- * or != 0 if refreshing is enabled (someone is using it).
- *
- * Useful for buffer read-only modules.
- */
-extern unsigned char cfag12864b_isenabled(void);
-
 /*
  * Is the module inited?
  */