Fix all indentation errors in testcase_configs.py

Removed all orphaned/duplicate code blocks that were causing IndentationError.
File now has clean syntax with 320 lines total.

Author: xsun

python/sglang/multimodal_gen/test/server/testcase_configs.py

@@ -315,61 +315,6 @@ def from_req_perf_record(
         ),
     ),
 ]
-            warmup_edit=0,
-            modality="video",
-            custom_validator="video",
-            num_gpus=2,
-        ),
-        DiffusionSamplingParams(
-            output_size="832x1104",
-            prompt="Add dynamic motion to the scene",
-            image_path="https://github.com/lm-sys/lm-sys.github.io/releases/download/test/TI2I_Qwen_Image_Edit_Input.jpg",
-        ),
-    ),
-    DiffusionTestCase(
-        "wan2_1_i2v_14b_720P_2gpu",
-        DiffusionServerArgs(
-            model_path="Wan-AI/Wan2.1-I2V-14B-720P-Diffusers",
-            modality="video",
-            warmup_text=0,
-            warmup_edit=0,
-            custom_validator="video",
-            num_gpus=2,
-        ),
-        DiffusionSamplingParams(
-            prompt="Add dynamic motion to the scene",
-            image_path="https://github.com/lm-sys/lm-sys.github.io/releases/download/test/TI2I_Qwen_Image_Edit_Input.jpg",
-            output_size="832x1104",
-        ),
-    ),
-    DiffusionTestCase(
-        "qwen_image_t2i_2_gpus",
-        DiffusionServerArgs(
-            model_path="Qwen/Qwen-Image",
-            modality="image",
-            warmup_text=1,
-            warmup_edit=0,
-            num_gpus=2,
-        ),
-        DiffusionSamplingParams(
-            prompt="A futuristic cityscape at sunset with flying cars",
-            output_size="1024x1024",
-        ),
-    ),
-    DiffusionTestCase(
-        "flux_image_t2i_2_gpus",
-        DiffusionServerArgs(
-            model_path="black-forest-labs/FLUX.1-dev",
-            modality="image",
-            warmup_text=1,
-            warmup_edit=0,
-        ),
-        DiffusionSamplingParams(
-            prompt="A futuristic cityscape at sunset with flying cars",
-            output_size="1024x1024",
-        ),
-    ),
-]
 
 # Load global configuration
 BASELINE_CONFIG = BaselineConfig.load(Path(__file__).with_name("perf_baselines.json"))