openvpn: more tweaks for previous

There is no need to visually overload the field descriptions with
stop chars like a slash, the help is sufficient in explaining that
multiple networks can be used and the chances are high that most
will only ever use one network here.

(cherry picked from commit 1611955b)

src/www/vpn_openvpn_client.php

@@ -910,7 +910,7 @@ $( document ).ready(function() {
             </td>
           </tr>
           <tr>
-            <td><a id="help_for_remote_network" href="#" class="showhelp"><i class="fa fa-info-circle"></i></a> <?=gettext("IPv4 Remote Network/s"); ?></td>
+            <td><a id="help_for_remote_network" href="#" class="showhelp"><i class="fa fa-info-circle"></i></a> <?=gettext("IPv4 Remote Network"); ?></td>
             <td>
               <input name="remote_network" type="text" class="form-control unknown" size="40" value="<?=$pconfig['remote_network'];?>" />
               <div class="hidden" for="help_for_remote_network">
@@ -925,7 +925,7 @@ $( document ).ready(function() {
             </td>
           </tr>
           <tr>
-            <td><a id="help_for_remote_networkv6" href="#" class="showhelp"><i class="fa fa-info-circle"></i></a> <?=gettext("IPv6 Remote Network/s"); ?></td>
+            <td><a id="help_for_remote_networkv6" href="#" class="showhelp"><i class="fa fa-info-circle"></i></a> <?=gettext("IPv6 Remote Network"); ?></td>
             <td>
               <input name="remote_networkv6" type="text" class="form-control unknown" size="40" value="<?=$pconfig['remote_networkv6'];?>" />
               <div class="hidden" for="help_for_remote_networkv6">

src/www/vpn_openvpn_csc.php

@@ -491,7 +491,7 @@ if ($act!="new" && $act!="edit") {
                     </td>
                   </tr>
                   <tr id="remote_optsv4">
-                    <td><a id="help_for_remote_network" href="#" class="showhelp"><i class="fa fa-info-circle"></i></a> <?=gettext("IPv4 Remote Network/s"); ?></td>
+                    <td><a id="help_for_remote_network" href="#" class="showhelp"><i class="fa fa-info-circle"></i></a> <?=gettext("IPv4 Remote Network"); ?></td>
                     <td>
                       <input name="remote_network" type="text" size="40" value="<?=$pconfig['remote_network'];?>" />
                       <div class="hidden" for="help_for_remote_network">
@@ -507,7 +507,7 @@ if ($act!="new" && $act!="edit") {
                     </td>
                   </tr>
                   <tr id="remote_optsv6">
-                    <td><a id="help_for_remote_networkv6" href="#" class="showhelp"><i class="fa fa-info-circle"></i></a> <?=gettext("IPv6 Remote Network/s"); ?></td>
+                    <td><a id="help_for_remote_networkv6" href="#" class="showhelp"><i class="fa fa-info-circle"></i></a> <?=gettext("IPv6 Remote Network"); ?></td>
                     <td>
                       <input name="remote_networkv6" type="text" size="40" value="<?=$pconfig['remote_networkv6'];?>" />
                       <div class="hidden" for="help_for_remote_networkv6">

src/www/vpn_openvpn_server.php

@@ -1183,7 +1183,7 @@ endif; ?>
                       </td>
                     </tr>
                     <tr class="opt_mode opt_mode_p2p_tls opt_mode_p2p_shared_key">
-                      <td width="22%" ><a id="help_for_remote_network" href="#" class="showhelp"><i class="fa fa-info-circle"></i></a> <?=gettext("IPv4 Remote Network/s"); ?></td>
+                      <td width="22%" ><a id="help_for_remote_network" href="#" class="showhelp"><i class="fa fa-info-circle"></i></a> <?=gettext("IPv4 Remote Network"); ?></td>
                       <td>
                         <input name="remote_network" type="text" class="form-control unknown" size="40" value="<?=$pconfig['remote_network'];?>" />
                         <div class="hidden" for="help_for_remote_network">
@@ -1198,7 +1198,7 @@ endif; ?>
                       </td>
                     </tr>
                     <tr class="opt_mode opt_mode_p2p_tls opt_mode_p2p_shared_key">
-                      <td width="22%" ><a id="help_for_remote_networkv6" href="#" class="showhelp"><i class="fa fa-info-circle"></i></a> <?=gettext("IPv6 Remote Network/s"); ?></td>
+                      <td width="22%" ><a id="help_for_remote_networkv6" href="#" class="showhelp"><i class="fa fa-info-circle"></i></a> <?=gettext("IPv6 Remote Network"); ?></td>
                       <td>
                         <input name="remote_networkv6" type="text" class="form-control unknown" size="40" value="<?=$pconfig['remote_networkv6'];?>" />
                         <div class="hidden" for="help_for_remote_networkv6">