fix: deprecate pre-sharded pipeline repo

Author: Jackmin801

tests/integration/inference/test_debug_pp.py

@@ -16,7 +16,7 @@
     "src/zeroband/infer.py",
     "@configs/inference/debug.toml",
     "--model-name",
-    "mikasenghaas/Qwen3-0.6B-0.2",
+    "Qwen/Qwen3-0.6B",
     "--pp.rank",
     "0",
     "--pp.world_size",
@@ -35,7 +35,7 @@
     "src/zeroband/infer.py",
     "@configs/inference/debug.toml",
     "--model-name",
-    "mikasenghaas/Qwen3-0.6B-1.2",
+    "Qwen/Qwen3-0.6B",
     "--pp.rank",
     "1",
     "--pp.world_size",