remove: remove nanvariancetk from namespace

This commit removes the `nanvariancetk` symbol from the `@stdlib/stats/base` namespace due to a package migration.

BREAKING CHANGE: remove `nanvariancetk`

To migrate, users should access the same symbol via the `@stdlib/stats/strided` namespace.

Ref: #4797

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type: pre_commit_static_analysis_report
description: Results of running static analysis checks when committing changes.
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Author: gururaj1512

lib/node_modules/@stdlib/stats/base/docs/types/index.d.ts

@@ -34,7 +34,6 @@ import nanstdevyc = require( '@stdlib/stats/base/nanstdevyc' );
 import nanvariance = require( '@stdlib/stats/base/nanvariance' );
 import nanvariancech = require( '@stdlib/stats/base/nanvariancech' );
 import nanvariancepn = require( '@stdlib/stats/base/nanvariancepn' );
-import nanvariancetk = require( '@stdlib/stats/base/nanvariancetk' );
 import sdsnanmean = require( '@stdlib/stats/base/sdsnanmean' );
 import sdsnanmeanors = require( '@stdlib/stats/base/sdsnanmeanors' );
 import snanmean = require( '@stdlib/stats/base/snanmean' );
@@ -385,29 +384,6 @@ interface Namespace {
 	*/
 	nanvariancepn: typeof nanvariancepn;
 
-	/**
-	* Computes the variance of a strided array ignoring `NaN` values and using a one-pass textbook algorithm.
-	*
-	* @param N - number of indexed elements
-	* @param correction - degrees of freedom adjustment
-	* @param x - input array
-	* @param stride - stride length
-	* @returns variance
-	*
-	* @example
-	* var x = [ 1.0, -2.0, NaN, 2.0 ];
-	*
-	* var v = ns.nanvariancetk( x.length, 1, x, 1 );
-	* // returns ~4.3333
-	*
-	* @example
-	* var x = [ 1.0, -2.0, NaN, 2.0 ];
-	*
-	* var v = ns.nanvariancetk.ndarray( x.length, 1, x, 1, 0 );
-	* // returns ~4.3333
-	*/
-	nanvariancetk: typeof nanvariancetk;
-
 	/**
 	* Computes the arithmetic mean of a single-precision floating-point strided array, ignoring `NaN` values and using extended accumulation.
 	*

lib/node_modules/@stdlib/stats/base/lib/index.js

@@ -162,15 +162,6 @@ setReadOnly( ns, 'nanvariancech', require( '@stdlib/stats/base/nanvariancech' )
 */
 setReadOnly( ns, 'nanvariancepn', require( '@stdlib/stats/base/nanvariancepn' ) );
 
-/**
-* @name nanvariancetk
-* @memberof ns
-* @readonly
-* @type {Function}
-* @see {@link module:@stdlib/stats/base/nanvariancetk}
-*/
-setReadOnly( ns, 'nanvariancetk', require( '@stdlib/stats/base/nanvariancetk' ) );
-
 /**
 * @name ndarray
 * @memberof ns