Remove FOV adjustment with Alt + mouse wheel in the 3D editor

This shortcut got in the way when using the Maya navigation scheme,
and also when using the slow freelook modifier (regardless of
navigation scheme).

editor/plugins/spatial_editor_plugin.cpp

@@ -1172,26 +1172,18 @@ void SpatialEditorViewport::_sinput(const Ref<InputEvent> &p_event) {
 		float zoom_factor = 1 + (ZOOM_FREELOOK_MULTIPLIER - 1) * b->get_factor();
 		switch (b->get_button_index()) {
 			case BUTTON_WHEEL_UP: {
-				if (b->get_alt()) {
-					scale_fov(-0.05);
+				if (is_freelook_active()) {
+					scale_freelook_speed(zoom_factor);
 				} else {
-					if (is_freelook_active()) {
-						scale_freelook_speed(zoom_factor);
-					} else {
-						scale_cursor_distance(1.0 / zoom_factor);
-					}
+					scale_cursor_distance(1.0 / zoom_factor);
 				}
 			} break;
 
 			case BUTTON_WHEEL_DOWN: {
-				if (b->get_alt()) {
-					scale_fov(0.05);
+				if (is_freelook_active()) {
+					scale_freelook_speed(1.0 / zoom_factor);
 				} else {
-					if (is_freelook_active()) {
-						scale_freelook_speed(1.0 / zoom_factor);
-					} else {
-						scale_cursor_distance(zoom_factor);
-					}
+					scale_cursor_distance(zoom_factor);
 				}
 			} break;