Revert "Update base.txt"

This reverts commit 053c8668

requirements/base.txt

@@ -21,6 +21,7 @@ django-tables2==2.4.1
 django-taggit==2.0.0
 django-taggit==2.0.0
 django-utils-six==2.0
 django-utils-six==2.0
 djangosaml2==1.3.5
 djangosaml2==1.3.5
+django-sshkey @ git+https://git.ik.bme.hu/circle/django-sshkey.git
 docutils==0.18.1
 docutils==0.18.1
 Jinja2==3.0.3
 Jinja2==3.0.3
 jsonfield==3.1.0
 jsonfield==3.1.0