CI: Drop manylinux build

Author: effigies

.circleci/config.yml

@@ -853,11 +853,10 @@ jobs:
             THISVERSION=$( python get_version.py )
             virtualenv --python=python build
             source build/bin/activate
-            pip install --upgrade "pip>=19.1" numpy
+            pip install --upgrade "pip>=19.1"
             echo "${CIRCLE_TAG:-$THISVERSION}" > fmriprep/VERSION
             python setup.py sdist
-            docker run --rm=false -e PLAT='manylinux1_x86_64' -e PKGNAME='fmriprep' -v `pwd`:/io \
-                quay.io/pypa/manylinux1_x86_64 /io/.circleci/pypi_wheel/build-wheels.sh
+            pip wheel --no-deps -w dist/ .
       - run:
           name: Build fmriprep-docker
           command: |