Revert "Remember last used rotation for rides with no tracks."

This reverts commit 7dc6e4e.
This commit caused hacked rides (like rollercoasters set to Crooked House) to crash

src/openrct2/ride/ride.c

@@ -637,13 +637,8 @@ bool track_block_get_next(rct_xy_element *input, rct_xy_element *output, sint32
     OriginZ -= trackBlock->z;
     OriginZ += trackCoordinate->z_end;
 
-    // Prevent direction always falling back to 0 if ride has no tracks.
-    uint8 directionStart = (uint8)(direction ? *direction : 0);
-    if(ride_type_has_flag(ride->type, RIDE_TYPE_FLAG_HAS_TRACK))
-    {
-        directionStart = ((trackCoordinate->rotation_end + rotation) & MAP_ELEMENT_DIRECTION_MASK) |
-            (trackCoordinate->rotation_end & (1 << 2));
-    }
+    uint8 directionStart = ((trackCoordinate->rotation_end + rotation) & MAP_ELEMENT_DIRECTION_MASK) |
+        (trackCoordinate->rotation_end & (1 << 2));
 
     return track_block_get_next_from_zero(x, y, OriginZ, rideIndex, directionStart, output, z, direction);
 }
@@ -1952,6 +1947,8 @@ sint32 ride_initialise_construction_window(sint32 rideIndex)
 
     _previousTrackBankEnd = 0;
     _previousTrackSlopeEnd = 0;
+
+    _currentTrackPieceDirection = 0;
     _rideConstructionState = RIDE_CONSTRUCTION_STATE_PLACE;
     _currentTrackSelectionFlags = 0;
     _rideConstructionArrowPulseTime = 0;

src/openrct2/windows/RideConstruction.cpp

@@ -611,6 +611,8 @@ rct_window *window_ride_construction_open()
 
     _previousTrackBankEnd = 0;
     _previousTrackSlopeEnd = 0;
+
+    _currentTrackPieceDirection = 0;
     _rideConstructionState = RIDE_CONSTRUCTION_STATE_PLACE;
     _currentTrackSelectionFlags = 0;
     _rideConstructionArrowPulseTime = 0;