Remove symlink use for swebench setup (#5549)

evaluation/benchmarks/swe_bench/scripts/setup/instance_swe_entry.sh

@@ -33,7 +33,7 @@ if [ -d /workspace/$WORKSPACE_NAME ]; then
     rm -rf /workspace/$WORKSPACE_NAME
 fi
 mkdir -p /workspace
-ln -s /testbed /workspace/$WORKSPACE_NAME
+mv /testbed /workspace/$WORKSPACE_NAME
 
 # Activate instance-specific environment
 . /opt/miniconda3/etc/profile.d/conda.sh