Shorten.

Co-authored-by: Petr Viktorin <encukou@gmail.com>

Author: StanFromIreland

Doc/reference/lexical_analysis.rst

@@ -1308,8 +1308,7 @@ The parts are separated by a decimal point, ``.``::
    2.71828
    4.0
 
-Unlike in integer literals, leading zeros are allowed in the integer part,
-and trailing zeros are allowed in the fraction part.
+Unlike in integer literals, leading zeros are allowed.
 For example, ``077.010`` is legal, and denotes the same number as ``77.01``.
 
 As in integer literals, single underscores may occur between digits to help