Remove redundant comment on base-2 logarithm computation in algorithms.dart for clarity.

Author: abbashosseinii

pkgs/collection/lib/src/algorithms.dart

@@ -516,7 +516,6 @@ void quickSortBy<E, K>(
 /// Minimum list size below which pdqsort uses insertion sort.
 const int _pdqInsertionSortThreshold = 32;
 
-/// Computes the base-2 logarithm of [n].
 /// Computes the base-2 logarithm of [n].
 ///
 /// Uses bitLength to compute the floor(log2(n)) efficiently.