Swap() removed from unique_resource (fixes #102).

include/unique_resource.h

         }
 
 
-        void swap(unique_resource& other) noexcept(std::is_nothrow_swappable_v<R>
-                                                    && std::is_nothrow_swappable_v<D>
-                                                    && std::is_nothrow_swappable_v<bool>)
-        {
-            using std::swap;
-            swap(m_resource.get(), other.m_resource.get());
-            swap(m_deleter.get(), other.m_deleter.get());
-            swap(m_execute_on_destruction, other.m_execute_on_destruction);
-        }
-
         void reset()
         {
             if( m_execute_on_destruction == true )

test/UniqueResourceTest.cpp

     }
 }
 
-TEST_CASE("swap", "[UniqueResource]")
-{
-    REQUIRE_CALL(m, deleter(7));
-    auto guard1 = sr::unique_resource(Handle{3}, deleter);
-
-    {
-        REQUIRE_CALL(m, deleter(3));
-        auto guard2 = sr::unique_resource{Handle{7}, deleter};
-        guard2.swap(guard1);
-        REQUIRE(guard1.get() == 7);
-        REQUIRE(guard2.get() == 3);
-    }
-}
-
 TEST_CASE("make unique resource", "[UniqueResource]")
 {
     REQUIRE_CALL(m, deleter(7));