chore: edit comments to reflect package functionality

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Author: impawstarlight

lib/node_modules/@stdlib/stats/incr/nanskewness/docs/repl.txt

@@ -7,9 +7,6 @@
     sample skewness. If not provided a value, the accumulator function returns
     the current corrected sample skewness.
 
-    If provided `NaN` or a value which, when used in computations, results in
-    `NaN`, the accumulated value is `NaN` for all future invocations.
-
     Returns
     -------
     acc: Function

lib/node_modules/@stdlib/stats/incr/nanskewness/lib/main.js

@@ -29,16 +29,6 @@ var incrskewness = require( '@stdlib/stats/incr/skewness' );
 /**
 * Returns an accumulator function which incrementally computes a corrected sample skewness, ignoring `NaN` values.
 *
-* ## Method
-*
-* The algorithm computes the corrected sample skewness using the formula for `G_1` in [Joanes and Gill 1998][@joanes:1998].
-*
-* ## References
-*
-* -   Joanes, D. N., and C. A. Gill. 1998. "Comparing measures of sample skewness and kurtosis." _Journal of the Royal Statistical Society: Series D (The Statistician)_ 47 (1). Blackwell Publishers Ltd: 183–89. doi:[10.1111/1467-9884.00122][@joanes:1998].
-*
-* [@joanes:1998]: http://dx.doi.org/10.1111/1467-9884.00122
-*
 * @returns {Function} accumulator function
 *
 * @example