FIX: remove __init__ from .pxd file

Author: fabianp

lightning/impl/sgd_fast.pxd

@@ -18,9 +18,6 @@ cdef class Hinge(LossFunction):
 
     cdef double threshold
 
-    def __init__(self, double threshold=1.0):
-        self.threshold = threshold
-
     cpdef double loss(self, double p, double y)
 
     cpdef double get_update(self, double p, double y)
@@ -30,9 +27,6 @@ cdef class SmoothHinge(LossFunction):
 
     cdef double gamma
 
-    def __init__(self, double gamma=1.0):
-        self.gamma = gamma  # the larger, the smoother
-
     cpdef double loss(self, double p, double y)
 
     cpdef double get_update(self, double p, double y)
@@ -42,9 +36,6 @@ cdef class SquaredHinge(LossFunction):
 
     cdef double threshold
 
-    def __init__(self, double threshold=1.0):
-        self.threshold = threshold
-
     cpdef double loss(self, double p, double y)
 
     cpdef double get_update(self, double p, double y)
@@ -68,9 +59,6 @@ cdef class Huber(LossFunction):
 
     cdef double c
 
-    def __init__(self, double c):
-        self.c = c
-
     cpdef double loss(self, double p, double y)
 
     cpdef double get_update(self, double p, double y)
@@ -80,9 +68,6 @@ cdef class EpsilonInsensitive(LossFunction):
 
     cdef double epsilon
 
-    def __init__(self, double epsilon):
-        self.epsilon = epsilon
-
     cpdef double loss(self, double p, double y)
 
     cpdef double get_update(self, double p, double y)