Remove requirements_dev.txt as it is not needed anymore (also closes...

Remove requirements_dev.txt as it is not needed anymore (also closes https://github.com/GFZ/spechomo/pull/2/commits/02b36c353586194f351c9082beb35153c122b7e1).

Signed-off-by: Daniel Scheffler <danschef@gfz-potsdam.de>
5 jobs for master in 44 minutes and 25 seconds (queued for 37 minutes and 53 seconds)
Status Name Job ID Coverage
  Test
passed test_spechomo #85672

00:01:29

78.0%
passed test_spechomo_install #85675

00:41:21

failed test_styles #85673

00:00:19

failed test_urls #85674

00:01:15

 
  Deploy
skipped pages #85676
 
Name Stage Failure
failed
test_urls Test
http://www.gnu.org/licenses/


Done. The following urls did not pass:
https://zenodo.org/badge/latestdoi/241405333
https://zenodo.org/badge/241405333.svg
make: *** [Makefile:66: urlcheck] Error 1
Cleaning up file based variables
ERROR: Job failed: exit code 1
failed
test_styles Test
make: *** [Makefile:58: lint] Error 1
Uploading artifacts for failed job
Uploading artifacts...
tests/linting/flake8.log: found 1 matching files and directories

WARNING: tests/linting/pycodestyle.log: no matching files
WARNING: tests/linting/pydocstyle.log: no matching files
Uploading artifacts as "archive" to coordinator... ok
id=85673 responseStatus=201 Created token=3Tz3sR6T
Cleaning up file based variables
ERROR: Job failed: exit code 1