Remove the date from man pages

It's not something we're keeping up to date anyway.
diff --git a/unix/vncconfig/vncconfig.man b/unix/vncconfig/vncconfig.man
index 01352e1..aa35303 100644
--- a/unix/vncconfig/vncconfig.man
+++ b/unix/vncconfig/vncconfig.man
@@ -1,4 +1,4 @@
-.TH vncconfig 1 "17 Apr 2006" "TigerVNC" "Virtual Network Computing"
+.TH vncconfig 1 "" "TigerVNC" "Virtual Network Computing"
 .SH NAME
 vncconfig \- configure and control a VNC server
 .SH SYNOPSIS
diff --git a/unix/vncpasswd/vncpasswd.man b/unix/vncpasswd/vncpasswd.man
index b192848..e9250fd 100644
--- a/unix/vncpasswd/vncpasswd.man
+++ b/unix/vncpasswd/vncpasswd.man
@@ -1,4 +1,4 @@
-.TH vncpasswd 1 "09 Jul 2010" "TigerVNC" "Virtual Network Computing"
+.TH vncpasswd 1 "" "TigerVNC" "Virtual Network Computing"
 .SH NAME
 vncpasswd \- change the VNC password
 .SH SYNOPSIS
diff --git a/unix/vncserver.man b/unix/vncserver.man
index 413da2a..dceaa79 100644
--- a/unix/vncserver.man
+++ b/unix/vncserver.man
@@ -1,4 +1,4 @@
-.TH vncserver 1 "13 Mar 2011" "TigerVNC" "Virtual Network Computing"
+.TH vncserver 1 "" "TigerVNC" "Virtual Network Computing"
 .SH NAME
 vncserver \- start or stop a VNC server
 .SH SYNOPSIS
diff --git a/unix/x0vncserver/x0vncserver.man b/unix/x0vncserver/x0vncserver.man
index 11344bb..d470672 100644
--- a/unix/x0vncserver/x0vncserver.man
+++ b/unix/x0vncserver/x0vncserver.man
@@ -1,4 +1,4 @@
-.TH X0VNCSERVER 1 "Dec 23, 2008" "TigerVNC" "TigerVNC Manual"
+.TH X0VNCSERVER 1 "" "TigerVNC" "TigerVNC Manual"
 .SH NAME
 x0vncserver \- TigerVNC Server for X displays
 .SH SYNOPSIS
diff --git a/unix/xserver/hw/vnc/Xvnc.man b/unix/xserver/hw/vnc/Xvnc.man
index 5114624..853ef8c 100644
--- a/unix/xserver/hw/vnc/Xvnc.man
+++ b/unix/xserver/hw/vnc/Xvnc.man
@@ -1,4 +1,4 @@
-.TH Xvnc 1 "17 Apr 2006" "TigerVNC" "Virtual Network Computing"
+.TH Xvnc 1 "" "TigerVNC" "Virtual Network Computing"
 .SH NAME
 Xvnc \- the X VNC server 
 .SH SYNOPSIS