lib: zlib_inflate: Remove the unnecessary log

Remove the unnecessary log.

Change-Id: Idd82f44759fc1c5d3283bee6d7100d2f7d34445b
diff --git a/lib/zlib_inflate/decompress.c b/lib/zlib_inflate/decompress.c
index 4a7ccc3..c51fb4d 100644
--- a/lib/zlib_inflate/decompress.c
+++ b/lib/zlib_inflate/decompress.c
@@ -146,7 +146,6 @@
 	if (len < 10 || !buf || buf[0] != 0x1f ||
 		buf[1] != 0x8b || buf[2] != 0x08)
 	{
-		dprintf(INFO, "Not a gzip file\n");
 		return false;
 	}