Remove unused mlog_catenate_ulint_compressed()

The function was only used by trx_undo_page_init_log()
(writing the MLOG_UNDO_INIT record), which was removed in
commit ccb35502.

storage/innobase/include/mtr0log.h

@@ -109,14 +109,6 @@ mlog_catenate_string(
 	const byte*	str,	/*!< in: string to write */
 	ulint		len);	/*!< in: string length */
 /********************************************************//**
-Catenates a compressed ulint to mlog. */
-UNIV_INLINE
-void
-mlog_catenate_ulint_compressed(
-/*===========================*/
-	mtr_t*		mtr,	/*!< in: mtr */
-	ulint		val);	/*!< in: value to write */
-/********************************************************//**
 Catenates a compressed 64-bit integer to mlog. */
 UNIV_INLINE
 void

storage/innobase/include/mtr0log.ic

@@ -117,30 +117,6 @@ mlog_catenate_ulint(
 	mlog_catenate_ulint(mtr->get_log(), val, type);
 }
 
-/********************************************************//**
-Catenates a compressed ulint to mlog. */
-UNIV_INLINE
-void
-mlog_catenate_ulint_compressed(
-/*===========================*/
-	mtr_t*	mtr,	/*!< in: mtr */
-	ulint	val)	/*!< in: value to write */
-{
-	byte*	log_ptr;
-
-	log_ptr = mlog_open(mtr, 10);
-
-	/* If no logging is requested, we may return now */
-	if (log_ptr == NULL) {
-
-		return;
-	}
-
-	log_ptr += mach_write_compressed(log_ptr, val);
-
-	mlog_close(mtr, log_ptr);
-}
-
 /********************************************************//**
 Catenates a compressed 64-bit integer to mlog. */
 UNIV_INLINE