refactor: trim verbose comments on NeedsProfessionEquipmentRescan

Author: bifferz

Core.lua

@@ -194,9 +194,6 @@ function Core:OnEnable()
     { "GET_ITEM_INFO_RECEIVED" },
     1,
     function()
-      -- Re-scan if any profession gear slot returned nil on initial scan due to
-      -- uncached item data. equipment~=nil means scanned; equipment[i]==nil means
-      -- slot appeared empty because item data wasn't cached yet.
       if Data:NeedsProfessionEquipmentRescan() then
         Data:ScanProfessionEquipment()
         self:Render()

Data.lua

@@ -467,8 +467,7 @@ function Data:ScanAll()
   self:ScanProfessionEquipment()
 end
 
---- Returns true if profession equipment should be rescanned.
---- True when any profession has never been scanned (equipment==nil) or has pending slots.
+--- Returns true if any profession has unscanned or pending gear slots.
 function Data:NeedsProfessionEquipmentRescan()
   local character = self:GetCharacter()
   if not character then return false end