chore(genai): remove migrated and unused image generation samples

 Deletes outpainting and product background image generation examples that have either been migrated or have fallen into disuse, and updates the corresponding tests.

Author: XrossFox

genai/image_generation/imggen_outpainting_with_txt_img.py

@@ -22,12 +22,6 @@
 
 from google.cloud import storage
 
-import imggen_canny_ctrl_type_with_txt_img
-import imggen_inpainting_insert_mask_with_txt_img
-import imggen_inpainting_insert_with_txt_img
-import imggen_outpainting_with_txt_img
-import imggen_product_background_mask_with_txt_img
-import imggen_product_background_with_txt_img
 import imggen_raw_reference_with_txt_img
 import imggen_scribble_ctrl_type_with_txt_img
 import imggen_style_reference_with_txt_img
@@ -66,36 +60,6 @@ def test_img_generation() -> None:
     assert response
 
 
-def test_img_edit_inpainting_insert_with_mask() -> None:
-    OUTPUT_FILE = os.path.join(RESOURCES, "fruit_edit.png")
-    response = imggen_inpainting_insert_mask_with_txt_img.edit_inpainting_insert_mask(OUTPUT_FILE)
-    assert response
-
-
-def test_img_edit_inpainting_insert() -> None:
-    OUTPUT_FILE = os.path.join(RESOURCES, "fruit_edit.png")
-    response = imggen_inpainting_insert_with_txt_img.edit_inpainting_insert(OUTPUT_FILE)
-    assert response
-
-
-def test_img_edit_product_background_mask() -> None:
-    OUTPUT_FILE = os.path.join(RESOURCES, "suitcase_edit.png")
-    response = imggen_product_background_mask_with_txt_img.edit_product_background_mask(OUTPUT_FILE)
-    assert response
-
-
-def test_img_edit_product_background() -> None:
-    OUTPUT_FILE = os.path.join(RESOURCES, "suitcase_edit.png")
-    response = imggen_product_background_with_txt_img.edit_product_background(OUTPUT_FILE)
-    assert response
-
-
-def test_img_edit_outpainting() -> None:
-    OUTPUT_FILE = os.path.join(RESOURCES, "living_room_edit.png")
-    response = imggen_outpainting_with_txt_img.edit_outpainting(OUTPUT_FILE)
-    assert response
-
-
 def test_img_customization_subject(output_gcs_uri: str) -> None:
     response = imggen_subj_refer_ctrl_refer_with_txt_imgs.subject_customization(
         output_gcs_uri=output_gcs_uri
@@ -118,11 +82,6 @@ def test_img_customization_scribble(output_gcs_uri: str) -> None:
     assert response
 
 
-def test_img_customization_canny_edge(output_gcs_uri: str) -> None:
-    response = imggen_canny_ctrl_type_with_txt_img.canny_edge_customization(output_gcs_uri=output_gcs_uri)
-    assert response
-
-
 def test_img_virtual_try_on() -> None:
     OUTPUT_FILE = os.path.join(RESOURCES, "man_in_sweater.png")
     response = imggen_virtual_try_on_with_txt_img.virtual_try_on(OUTPUT_FILE)