remove comment about callback

Author: tim-hoffman

mlir/lib/IR/SymbolTable.cpp

@@ -806,9 +806,9 @@ static std::optional<SymbolTable::UseRange> getSymbolUsesImpl(SymbolT symbol,
 }
 
 /// Get all of the uses of the given symbol that are nested within the given
-/// operation 'from', invoking the provided callback for each. This does not
-/// traverse into any nested symbol tables. This function returns std::nullopt
-/// if there are any unknown operations that may potentially be symbol tables.
+/// operation 'from'. This does not traverse into any nested symbol tables.
+/// This function returns std::nullopt if there are any unknown operations that
+/// may potentially be symbol tables.
 auto SymbolTable::getSymbolUses(StringAttr symbol, Operation *from)
     -> std::optional<UseRange> {
   return getSymbolUsesImpl(symbol, from);