tests: remove statfs.expected

statfs.expected is unused since commit v4.11-515-g67c2f67.

* tests/statfs.expected: Remove.
* tests/Makefile.am (EXTRA_DIST): Remove it.

tests/Makefile.am

@@ -643,7 +643,6 @@ EXTRA_DIST = gen_tests.in gen_tests.sh init.sh run.sh match.awk \
 	     sigaction.awk \
 	     sigaltstack.expected \
 	     sockname.c \
-	     statfs.expected \
 	     strace-C.expected \
 	     strace-E.expected \
 	     strace-T.expected \

tests/statfs.expected

@@ -1 +0,0 @@
-statfs(64)?\("/proc/self/status"(, [1-9][0-9]*)?, \{f_type=PROC_SUPER_MAGIC, f_bsize=[1-9][0-9]*, f_blocks=[0-9]+, f_bfree=[0-9]+, f_bavail=[0-9]+, f_files=[0-9]+, f_ffree=[0-9]+, f_fsid=\{val=\[[0-9]+, [0-9]+\]\}, f_namelen=[1-9][0-9]*(, f_frsize=[0-9]+)?(, f_flags=ST_VALID(\|ST_[A-Z]+)*)?\}\) += 0