wmllint: Recognize [remove_time_area]

Fixes issues with wmllint emitting spurious warnings about unit ids when
encountering time area ids in [remove_time_area].

[ci skip]

changelog.md

@@ -6,6 +6,8 @@
    * Do not list nameless abilities in the Abilities and Ability Upgrades lists in unit
      descriptions in Help (issue #3060).
  ### Miscellaneous and bug fixes
+   * Made wmllint recognize [remove_time_area] in order to avoid spurious warnings about
+     unit ids.
 
 ## Version 1.14.13
  ### Campaigns

data/tools/wmllint

@@ -1741,6 +1741,7 @@ def global_sanity_check(filename, lines):
     in_primary_unit = False
     in_secondary_unit = False
     in_remove_event = False
+    in_remove_time_area = False
     in_tunnel = False
     in_filter = False
     in_checkbox = False
@@ -1901,6 +1902,10 @@ def global_sanity_check(filename, lines):
             in_remove_event = True
         elif "[/remove_event]" in lines[i]:
             in_remove_event = False
+        elif "[remove_time_area]" in lines[i]:
+            in_remove_time_area = True
+        elif "[/remove_time_area]" in lines[i]:
+            in_remove_time_area = False
         # [tunnel] supports a [filter] sub-tag, so handle it
         elif "[tunnel]" in lines[i]:
             in_tunnel = True
@@ -2126,7 +2131,8 @@ def global_sanity_check(filename, lines):
                          and not in_combo and not in_entry and not in_slider \
                          and not in_map_generator \
                          and not (in_fire_event and not (in_primary_unit or in_secondary_unit)) \
-                         and not in_remove_event and not (in_tunnel and not in_filter):
+                         and not in_remove_event and not in_remove_time_area \
+                         and not (in_tunnel and not in_filter):
                         ids = value.split(",")
                         for id_ in ids:
                             # removal of leading whitespace of items in comma-separated lists