Remove sputnik from dependencies and docs

requirements.txt

@@ -8,6 +8,5 @@ murmurhash>=0.26,<0.27
 plac<0.9.3
 six
 ujson>=1.35
-sputnik>=0.9.2,<0.10.0
 dill>=0.2,<0.3
 requests>=2.13.0,<3.0.0

setup.py

@@ -240,7 +240,6 @@ def setup_package():
                 'plac<0.9.3',
                 'six',
                 'pathlib',
-                'sputnik>=0.9.2,<0.10.0',
                 'ujson>=1.35',
                 'dill>=0.2,<0.3',
                 'requests>=2.13.0,<3.0.0'],

website/docs/usage/resources.jade

@@ -57,20 +57,6 @@ p Many of the associated tools and resources that we're developing alongside spa
         +cell
             |  Super sparse multi-class machine learning with Cython.
 
-    +row
-        +cell
-            +src(gh("sputnik")) Sputnik
-
-        +cell
-            |  Data package manager library for spaCy.
-
-    +row
-        +cell
-            +src(gh("sputnik-server")) Sputnik Server
-
-        +cell
-            |  Index service for the Sputnik data package manager for spaCy.
-
     +row
         +cell
             +src(gh("cymem")) Cymem