Revert of Optimize trivial regexp disjunctions

src/vector.h

Index: src/vector.h
diff --git a/src/vector.h b/src/vector.h
index d022fde3a5bb25d88b7fba5e9ca4ae375e94d20b..895c61b4ece176acfe8820f13779140ff3c552c2 100644
--- a/src/vector.h
+++ b/src/vector.h
@@ -69,10 +69,6 @@
     return Vector<T>(result, length_);
   }
 
-  void Sort(int (*cmp)(const T*, const T*), size_t s, size_t l) {
-    std::sort(start() + s, start() + s + l, RawComparer(cmp));
-  }
-
   void Sort(int (*cmp)(const T*, const T*)) {
     std::sort(start(), start() + length(), RawComparer(cmp));
   }
@@ -80,16 +76,6 @@
   void Sort() {
     std::sort(start(), start() + length());
   }
-
-  void StableSort(int (*cmp)(const T*, const T*), size_t s, size_t l) {
-    std::stable_sort(start() + s, start() + s + l, RawComparer(cmp));
-  }
-
-  void StableSort(int (*cmp)(const T*, const T*)) {
-    std::stable_sort(start(), start() + length(), RawComparer(cmp));
-  }
-
-  void StableSort() { std::stable_sort(start(), start() + length()); }
 
   void Truncate(int length) {
     DCHECK(length <= length_);