postfix: remove 100-fsstat.patch

Resolves #9970.

Signed-off-by: W. Michael Petullo <mike@flyn.org>

mail/postfix/Makefile

@@ -8,7 +8,7 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=postfix
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 PKG_VERSION:=3.4.6
 PKG_SOURCE_URL:= \
 	https://cdn.postfix.johnriley.me/mirrors/postfix-release/official/ \

mail/postfix/patches/100-fsstat.patch

@@ -1,11 +0,0 @@
---- a/src/smtpd/smtpd_check.c
-+++ b/src/smtpd/smtpd_check.c
-@@ -5325,7 +5325,7 @@ char   *smtpd_check_queue(SMTPD_STATE *state)
-      */
- #define BLOCKS(x)	((x) / fsbuf.block_size)
- 
--    fsspace(".", &fsbuf);
-+    fsspace("/overlay", &fsbuf);
-     if (msg_verbose)
- 	msg_info("%s: blocks %lu avail %lu min_free %lu msg_size_limit %lu",
- 		 myname,