remove redundant sentence

Doc/library/math.rst

@@ -125,7 +125,7 @@ Number-theoretic and representation functions
 .. function:: modf(x)
 
    Return the fractional and integer parts of *x*.  Both results carry the sign
-   of *x*, and both are floats.  The integer part is returned as a real.
+   of *x* and are floats.
 
 
 .. function:: trunc(x)

Modules/mathmodule.c

@@ -767,7 +767,7 @@ PyDoc_STRVAR(math_modf_doc,
 "modf(x)\n"
 "\n"
 "Return the fractional and integer parts of x.  Both results carry the sign\n"
-"of x.  The integer part is returned as a real.");
+"of x and are floats.");
 
 /* A decent logarithm is easy to compute even for huge longs, but libm can't
    do that by itself -- loghelper can.  func is log or log10, and name is