Switch to sdist from PyPI

This avoids having to keep track of all the git submodules manually,
and it fixes a minor bug because VCS git hash info isn't exported
correctly in the auto-generated tarballs from GitHub.

recipe/meta.yaml

@@ -15,38 +15,8 @@ package:
   version: {{ version }}
 
 source:
-  # The sdist distributed by scipy contains submodules; by taking the tarball
-  # from github we manually need to include the submodules (not in tarball due
-  # to dear-github/dear-github#214)
-  - url: https://github.com/scipy/scipy/archive/refs/tags/v{{ version }}.tar.gz
-    sha256: a9e29052fa3ebd4edd87544f5ee917bf13572321c5f6f9c8d579974cb0f06891
-  # https://github.com/scipy/scipy/tree/v{{ version }}/scipy/_lib
-  - folder: scipy/_lib/array_api_compat
-    git_url: https://github.com/data-apis/array-api-compat.git
-    git_rev: 498f086568362002185b005a0a7f38ad136ca8bb
-  - folder: scipy/_lib/array_api_extra
-    git_url: https://github.com/lucascolley/array-api-extra.git
-    git_rev: 8e1c8fa42df403231d65b3690e73098cfc52674a
-  - folder: scipy/_lib/boost_math
-    git_url: https://github.com/boostorg/math.git
-    git_rev: 260f7600e95dcf87b228d46a4a37cf594df5437b
-  - folder: scipy/_lib/cobyqa
-    git_url: https://github.com/cobyqa/cobyqa.git
-    git_rev: 55c8e5a5d29ba5c873d87ad27bd9cffee94ae3df
-  - folder: scipy/_lib/pocketfft
-    git_url: https://github.com/scipy/pocketfft.git
-    git_rev: 9367142748fcc9696a1c9e5a99b76ed9897c9daa
-  - folder: scipy/_lib/unuran
-    git_url: https://github.com/scipy/unuran.git
-    git_rev: 21810c856880bb2f1b3071c8ac4aaf634983b338
-  # https://github.com/scipy/scipy/tree/v{{ version }}/scipy/sparse/linalg/_propack
-  - folder: scipy/sparse/linalg/_propack/PROPACK
-    git_url: https://github.com/scipy/PROPACK.git
-    git_rev: 8a6b20767d74fe560d616d51e83e35b01bce6861
-  # https://github.com/scipy/scipy/tree/v{{ version }}/subprojects
-  - folder: subprojects/highs
-    git_url: https://github.com/scipy/HiGHs.git
-    git_rev: cc22e21d5b23db419b1b19303f453c849827f830
+  url: https://pypi.org/packages/source/s/scipy/scipy-{{ version }}.tar.gz
+  sha256: 300742e2cc94e36a2880ebe464a1c8b4352a7b0f3e36ec3d2ac006cdbe0219ac
 
 build:
   number: 0