refactor: do not mark the protocol names Barrier and Synergy for translation

src/lib/gui/dialogs/ServerConfigDialog.ui

@@ -630,7 +630,7 @@
             <item>
              <widget class="QRadioButton" name="rbProtocolSynergy">
               <property name="text">
-               <string>&amp;Synergy</string>
+               <string notr="true">Synergy</string>
               </property>
               <property name="checked">
                <bool>true</bool>
@@ -640,7 +640,7 @@
             <item>
              <widget class="QRadioButton" name="rbProtocolBarrier">
               <property name="text">
-               <string>&amp;Barrier</string>
+               <string notr="true">Barrier</string>
               </property>
              </widget>
             </item>

translations/deskflow_es.ts

@@ -988,14 +988,6 @@ Nombres válidos:
         <source>Network protocol</source>
         <translation type="unfinished">Protocolo de red</translation>
     </message>
-    <message>
-        <source>&amp;Synergy</source>
-        <translation type="unfinished">&amp;Synergy</translation>
-    </message>
-    <message>
-        <source>&amp;Barrier</source>
-        <translation type="unfinished">&amp;Barrier</translation>
-    </message>
     <message>
         <source>&amp;Switching</source>
         <translation type="unfinished">Traspue&amp;sta</translation>

translations/deskflow_it.ts

@@ -988,14 +988,6 @@ Nomi validi:
         <source>Network protocol</source>
         <translation>Protocollo di rete</translation>
     </message>
-    <message>
-        <source>&amp;Synergy</source>
-        <translation>&amp;Synergy</translation>
-    </message>
-    <message>
-        <source>&amp;Barrier</source>
-        <translation>&amp;Barrier</translation>
-    </message>
     <message>
         <source>&amp;Switching</source>
         <translation>&amp;Passaggio</translation>