Restore some deleted move constructors.

Author: teo-tsirpanis

tiledb/common/pmr.h

@@ -221,11 +221,12 @@ class vector : public pmr_vector<Tp> {
 
   // Delete all default constructors because they don't require an allocator
   constexpr vector() noexcept(noexcept(allocator_type())) = delete;
-  constexpr vector(const vector& other) = delete;
-  constexpr vector(vector&& other) noexcept = delete;
 
-  // Delete non-allocator aware copy and move assign.
+  // Delete copy constructors
+  constexpr vector(const vector& other) = delete;
   constexpr vector& operator=(const vector& other) = delete;
+
+  constexpr vector(vector&& other) noexcept = default;
   constexpr vector& operator=(vector&& other) noexcept = delete;
 
   constexpr explicit vector(const allocator_type& alloc) noexcept

tiledb/sm/rtree/rtree.h

@@ -76,7 +76,10 @@ class RTree {
   ~RTree();
 
   DISABLE_COPY_AND_COPY_ASSIGN(RTree);
-  DISABLE_MOVE_AND_MOVE_ASSIGN(RTree);
+
+  RTree(RTree&&) = default;
+  RTree& operator=(RTree&&) = default;
+  // DISABLE_MOVE_AND_MOVE_ASSIGN(RTree);
 
   /* ********************************* */
   /*                 API               */