Remove useless "No known bugs." from the man page

Author: dscharrer

doc/innoextract.1

@@ -227,8 +227,6 @@ Encrypted installers are not supported.
 \fBcabextract\fP(1), \fBunar\fP(1), \fBunrar\fP(1), \fBunshield\fP(1), \fBtzset\fP(3)
 .SH BUGS
 .PP
-No known bugs.
-.PP
 Please report bugs to http://innoextract.constexpr.org/issues.
 .SH CREDITS
 .PP