undo requirement varlen for m2 testing

Author: oleksost

setup.cfg

@@ -50,7 +50,8 @@ HUGGINGFACE =
 # To install on cpu environment (ex. for IDE support):
 #   MAMBA_FORCE_BUILD=TRUE CAUSAL_CONV1D_FORCE_BUILD=TRUE CAUSAL_CONV1D_SKIP_CUDA_BUILD=TRUE pip install -e ".[CORE,SSM]" --no-build-isolation
 SSM =
-    mamba_ssm[causal-conv1d] @ git+https://github.com/jxiw/varlen_mamba.git@varlen_mamba
+    mamba_ssm[causal-conv1d]==2.2.4
+    # mamba_ssm[causal-conv1d] @ git+https://github.com/jxiw/varlen_mamba.git@varlen_mamba
     cartesia_pytorch>=0.0.2
 
 # GENERATION =