update install.md

Reviewed By: bottler, wanyenlo

Differential Revision: D19658045

fbshipit-source-id: a623a81c1ed1fa4054ea55bf06a2926e297b7966

Author: haooooooqi

INSTALL.md

@@ -20,7 +20,7 @@ These can be installed by running:
 conda create -n pytorch3d python=3.6
 conda activate pytorch3d
 conda install -c pytorch pytorch torchvision cudatoolkit=10.0
-conda install -c conda-forge -c takatosp1 fvcore
+conda install -c conda-forge -c fvcore fvcore
 ```
 
 ### Tests/Linting and Demos

packaging/build_conda.sh

@@ -12,4 +12,4 @@ setup_conda_pytorch_constraint
 setup_conda_cudatoolkit_constraint
 setup_visual_studio_constraint
 # shellcheck disable=SC2086
-conda build $CONDA_CHANNEL_FLAGS ${TEST_FLAG:-} -c defaults -c conda-forge --no-anaconda-upload -c takatosp1 --python "$PYTHON_VERSION" packaging/pytorch3d
+conda build $CONDA_CHANNEL_FLAGS ${TEST_FLAG:-} -c defaults -c conda-forge --no-anaconda-upload -c fvcore --python "$PYTHON_VERSION" packaging/pytorch3d