Delete python-crfsuite from requirements

Author: wannaphong

setup.py

@@ -35,7 +35,6 @@
 """
 
 requirements = [
-    "python-crfsuite>=0.9.6",
     "requests>=2.22.0",
     "tinydb>=3.0",
 ]
@@ -101,6 +100,7 @@
         "tltk>=1.3.8",
         "oskut>=1.3",
         "nlpo3>=1.2.1",
+        "python-crfsuite>=0.9.6",
     ],
 }