Cleanup: trailing space

add_curve_extra_objects/__init__.py

curve_tools/__init__.py

io_mesh_atomic/__init__.py

.../gltf2_blender_gather_materials_pbr_metallic_roughness.py

io_scene_gltf2/blender/imp/gltf2_blender_image.py

io_scene_gltf2/blender/imp/gltf2_blender_node.py

mesh_looptools.py

mesh_tools/__init__.py

render_povray/base_ui.py

render_povray/render.py

render_povray/scripting_gui.py

rigify/__init__.py

rigify/generate.py