make the return value comment a bit simpler (#8908)

Author: kung-foo

xml/System/Random.xml

@@ -771,7 +771,7 @@ The following example uses the parameterless constructor to instantiate three <x
       <Docs>
         <param name="maxValue">The exclusive upper bound of the random number to be generated. <paramref name="maxValue" /> must be greater than or equal to 0.</param>
         <summary>Returns a non-negative random integer that is less than the specified maximum.</summary>
-        <returns>A 32-bit signed integer that is greater than or equal to 0, and less than <paramref name="maxValue" />; that is, the range of return values ordinarily includes 0 but not <paramref name="maxValue" />. However, if <paramref name="maxValue" /> equals 0, <paramref name="maxValue" /> is returned.</returns>
+        <returns>A 32-bit signed integer that is greater than or equal to 0, and less than <paramref name="maxValue" />; that is, the range of return values ordinarily includes 0 but not <paramref name="maxValue" />. However, if <paramref name="maxValue" /> equals 0, 0 is returned.</returns>
         <remarks>
           <format type="text/markdown"><![CDATA[