Remove NumPy from conda build env (#3315)

Summary:
NumPy is an optional runtime dependency of TorchAudio, and it is not required at build time.

Pull Request resolved: https://github.com/pytorch/audio/pull/3315

Reviewed By: nateanl

Differential Revision: D45702243

Pulled By: mthrok

fbshipit-source-id: 6ca6598931764c46be6323868e8cce7c8adc5024

packaging/torchaudio/meta.yaml

@@ -17,8 +17,6 @@ requirements:
     - pkg-config  # [not win]
     - cmake
     - ninja
-    - numpy>=1.11 # [py <= 39]
-    - numpy>=1.21.2 # [py >= 310]
     - pytorch-mutex 1.0 {{ build_variant }}  # [not osx ]
     {{ environ.get('CONDA_PYTORCH_BUILD_CONSTRAINT', 'pytorch') }}
     {{ environ.get('CONDA_EXTRA_BUILD_CONSTRAINT', '') }}
@@ -26,8 +24,7 @@ requirements:
 
   run:
     - python
-    - numpy>=1.11 # [py <= 39]
-    - numpy>=1.21.2 # [py >= 310]
+    - numpy
     - pytorch-mutex 1.0 {{ build_variant }}  # [not osx ]
     {{ environ.get('CONDA_PYTORCH_CONSTRAINT', 'pytorch') }}
     {{ environ.get('CONDA_CUDATOOLKIT_CONSTRAINT', '') }}

torchaudio/csrc/cuctc/src/python_binding.cpp

@@ -23,7 +23,6 @@
 // OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-#include <pybind11/numpy.h>
 #include <pybind11/pybind11.h>
 #include <pybind11/stl.h>
 #include <tuple>