Remove "new features" section in LMDE

LMDE doesn't have point releases nor new features pages.

usr/lib/linuxmint/mintwelcome/mintwelcome.py

@@ -103,9 +103,15 @@ class MintWelcome():
                 add_codecs = True
         if not add_codecs:
             builder.get_object("box_first_steps").remove(builder.get_object("box_codecs"))
+
+        # Hide drivers if mintdrivers is absent (LMDE)
         if not os.path.exists("/usr/bin/mintdrivers"):
             builder.get_object("box_first_steps").remove(builder.get_object("box_drivers"))
 
+        # Hide new features page for LMDE
+        if dist_name == "LMDE":
+            builder.get_object("box_documentation").remove(builder.get_object("box_new_features"))
+
         # Construct the stack switcher
         list_box = builder.get_object("list_navigation")
 

usr/share/linuxmint/mintwelcome/mintwelcome.ui

@@ -225,7 +225,7 @@
                     <property name="visible">True</property>
                     <property name="can_focus">False</property>
                     <child>
-                      <object class="GtkBox">
+                      <object class="GtkBox" id="box_documentation">
                         <property name="visible">True</property>
                         <property name="can_focus">False</property>
                         <property name="border_width">24</property>
@@ -337,7 +337,7 @@
                           </packing>
                         </child>
                         <child>
-                          <object class="GtkBox">
+                          <object class="GtkBox" id="box_new_features">
                             <property name="visible">True</property>
                             <property name="can_focus">False</property>
                             <property name="spacing">24</property>