fixing RF2 for symmetry

Author: sokrypton

RoseTTAFold2.ipynb

@@ -67,7 +67,7 @@
         "\n",
         "if not os.path.isdir(\"RoseTTAFold2\"):\n",
         "  print(\"install RoseTTAFold2\")\n",
-        "  os.system(\"git clone --branch 'dimaio/gpu_mem_efficiency' https://github.com/uw-ipd/RoseTTAFold2.git\")\n",
+        "  os.system(\"git clone https://github.com/uw-ipd/RoseTTAFold2.git\")\n",
         "  os.system(\"pip install py3Dmol\")\n",
         "\n",
         "  # 17Mar2024: adding --no-dependencies to avoid installing nvidia-cuda-* dependencies\n",