Remove misleading comment

Signed-off-by: Yuri Shkuro <[email protected]>

Author: Yuri Shkuro

setup.py

@@ -37,7 +37,6 @@
     install_requires=[
         'futures;python_version<"3"',
         'threadloop>=1,<2',
-        # we want thrift>=0.9.2.post1,<0.9.3, but we let the users pin to that
         'thrift',
         'tornado>=4.3,<5',
         'opentracing>=1.2.2,<1.4',