strace.1: remove .IX definition

It is present in groff macros nowadays.

* strace.1 (.de IX): Remove.

diff --git a/strace.1 b/strace.1
index 4aa75e3d27b60eea5ef50a6a8713c839bd85b7b2..615e3780150463f542ae240b5cd0e2495bf657e2 100644 (file)
--- a/strace.1
+++ b/strace.1
@@ -35,11 +35,6 @@
 .fi
 .sp
 ..
-.\" Macro IX is not defined in the groff macros
-.if \n(.g \{\
-.  de IX
-..
-.\}
 .TH STRACE 1 "2010-03-30"
 .SH NAME
 strace \- trace system calls and signals