docs: update

neofetch.1

 .\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.47.6.
-.TH NEOFETCH "1" "April 2018" "Neofetch 3.4.1-git" "User Commands"
+.TH NEOFETCH "1" "May 2018" "Neofetch 3.4.1-git" "User Commands"
 .SH NAME
 Neofetch \- A fast, highly customizable system info script
 .SH SYNOPSIS
@@ -81,9 +81,6 @@ Which GPU to display. (all, dedicated, integrated)
 .IP
 NOTE: This only supports Linux.
 .TP
-\fB\-\-wm_version\fR on/off
-Show/Hide Window Manager version.
-.TP
 \fB\-\-gtk_shorthand\fR on/off
 Shorten output of gtk theme/icons
 .TP