Remove a dead comment annd update one that's still twitching.

data/campaigns/Heir_To_The_Throne/scenarios/19b_Swamp_Of_Dread.cfg

@@ -170,10 +170,6 @@
     [event]
         name=start
 
-        # FIXME: Will-of-the-wisps in the swamps should become units in 1.5.
-        # {SCATTER_IMAGE (terrain=Ss) 5 units/undead-blackspell.png}
-        # {SCATTER_IMAGE (terrain=Gg) 10 scenery/pine2.png}
-
         #For Home of the Northern Elves: where do we come from?
         [set_variable]
             name=A_Choice_Was_Made

data/campaigns/The_Rise_Of_Wesnoth/_main.cfg

@@ -3,8 +3,6 @@
     name="wesnoth-trow"
 [/textdomain]
 
-#FIXME: Re-rate this Expert when the 1.6 string freeze is over.
-
 # wmlscope: set export=no
 [campaign]
     id=The_Rise_Of_Wesnoth

data/core/help.cfg

@@ -3,7 +3,7 @@
     # FIXME: This is a kluge to keep the reference checker happy
     # These are actually used in the C++ portion of the help engine.
     # The fact that they're duplicatively listed here is a maintenance
-    # problem waiting to happen; fix it in 1.5
+    # problem waiting to happen; fix it in 1.7
 #ifdef __UNUSED__
     image=help/topic.png
     image=help/open_section.png