[Kernel][RFC] Refactor the punica kernel based on Triton (#5036)

vllm/envs.py

@@ -45,7 +45,6 @@ if TYPE_CHECKING:
     MAX_JOBS: Optional[str] = None
     NVCC_THREADS: Optional[str] = None
     VLLM_USE_PRECOMPILED: bool = False
-    VLLM_INSTALL_PUNICA_KERNELS: bool = False
     VLLM_NO_DEPRECATION_WARNING: bool = False
     CMAKE_BUILD_TYPE: Optional[str] = None
     VERBOSE: bool = False
@@ -94,10 +93,6 @@ environment_variables: Dict[str, Callable[[], Any]] = {
     "VLLM_USE_PRECOMPILED":
     lambda: bool(os.environ.get("VLLM_USE_PRECOMPILED")),
 
-    # If set, vllm will install Punica kernels
-    "VLLM_INSTALL_PUNICA_KERNELS":
-    lambda: bool(int(os.getenv("VLLM_INSTALL_PUNICA_KERNELS", "0"))),
-
     # CMake build type
     # If not set, defaults to "Debug" or "RelWithDebInfo"
     # Available options: "Debug", "Release", "RelWithDebInfo"