update .gitignore

hc

2024-03-26 e9199a72d842cbda78ac614eee5db7cdaa6f2530

external/camera_engine_rkaiq/common/gen_mesh/android/genMesh_static_64bit/libgenMeshLib.a does not exist in tree c129e61995bb24041cc70f65154ed02c40ec3e8a