Delete or un-inline some constructors, assignments, others...

... Which will be needed for various reasons for Windows builds of certain
modularizations, which will otherwise complain that they can no longer
generate them as inlines.

In one case, deleted copies require explicitly defaulted moves, but they will
work as generated inline.

src/tracks/ui/TimeShiftHandle.cpp

@@ -111,6 +111,8 @@ void ClipMoveState::DoHorizontalOffset( double offset )
    }
 }
 
+TrackShifter::TrackShifter() = default;
+
 TrackShifter::~TrackShifter() = default;
 
 void TrackShifter::UnfixIntervals(

src/tracks/ui/TimeShiftHandle.h

@@ -30,6 +30,10 @@ class ViewInfo;
 //! Abstract base class for policies to manipulate a track type with the Time Shift tool
 class TrackShifter {
 public:
+   TrackShifter();
+   TrackShifter(const TrackShifter&) PROHIBITED;
+   TrackShifter &operator=(const TrackShifter&) PROHIBITED;
+
    virtual ~TrackShifter() = 0;
    //! There is always an associated track
    virtual Track &GetTrack() const = 0;
@@ -196,6 +200,14 @@ using MakeTrackShifter = AttachedVirtualFunction<
 class ViewInfo;
 
 struct ClipMoveState {
+   ClipMoveState() = default;
+
+   ClipMoveState(const ClipMoveState&) PROHIBITED;
+   ClipMoveState& operator =(const ClipMoveState&) PROHIBITED;
+
+   ClipMoveState(ClipMoveState&&) = default;
+   ClipMoveState& operator =(ClipMoveState&&) = default;
+
    using ShifterMap = std::unordered_map<Track*, std::unique_ptr<TrackShifter>>;
    
    //! Will associate a TrackShifter with each track in the list