Drivers: hv: fix repeated words in comments

Delete the redundant word 'of'.
Signed-off-by: Jilin Yuan <yuanjilin@cdjrlc.com>
Reviewed-by: Michael Kelley <mikelley@microsoft.com>
Link: https://lore.kernel.org/r/20221019125604.52999-1-yuanjilin@cdjrlc.comSigned-off-by: Wei Liu <wei.liu@kernel.org>

drivers/hv/hv_balloon.c

@@ -905,7 +905,7 @@ static unsigned long handle_pg_range(unsigned long pg_start,
 			 * We have some residual hot add range
 			 * that needs to be hot added; hot add
 			 * it now. Hot add a multiple of
-			 * of HA_CHUNK that fully covers the pages
+			 * HA_CHUNK that fully covers the pages
 			 * we have.
 			 */
 			size = (has->end_pfn - has->ha_end_pfn);