Fix deoplete source

rplugin/python3/deoplete/sources/neosnippet.py

@@ -32,13 +32,6 @@ class Source(Base):
 
         self.mark = '[nsnip]'
 
-    def get_complete_position(self, vim, context):
-        m = re.search(context.input, r'[a-zA-Z_][a-zA-Z0-9_]')
-        if m:
-            return m.start()
-        else:
-            return -1
-
     def gather_candidates(self, vim, context):
         return vim.eval("values(neosnippet#helpers#get_snippets())")