delete buffer found to be unused by the compiler.

Reference: /n/sources/patch/applied/32vfs-delete-unused-buffer
Date: Mon Feb 27 03:26:14 CET 2006

--- /sys/src/cmd/tapefs/32vfs.c	Mon Feb 27 03:25:07 2006
+++ /sys/src/cmd/tapefs/32vfs.c	Mon Feb 27 03:25:05 2006
@@ -52,7 +52,6 @@
 populate(char *name)
 {
 	Fileinf f;
-	uchar buf[MAXBLSIZE];
 
 	BLSIZE = 512;	/* 32v */
 	if(blocksize){