Remove llava

Author: larryliu0820

.github/workflows/pull.yml

@@ -297,7 +297,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        model: ["gemma3-4b", "llava"]
+        model: ["gemma3-4b"]  # llava gives segfault so not covering.
     with:
       secrets-env: EXECUTORCH_HF_TOKEN
       runner: linux.24xlarge

.github/workflows/trunk.yml

@@ -627,7 +627,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        model: ["gemma3-4b", "llava"] # llava is probably too big so not covering it here.
+        model: ["gemma3-4b"] # llava gives segfault so not covering.
     with:
       secrets-env: EXECUTORCH_HF_TOKEN
       runner: macos-15-xlarge