remove: remove variancetk from namespace

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

BREAKING CHANGE: remove `variancetk`

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.
report:
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Author: gururaj1512

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

@@ -69,7 +69,6 @@ import stdevyc = require( '@stdlib/stats/base/stdevyc' );
 import variance = require( '@stdlib/stats/base/variance' );
 import variancech = require( '@stdlib/stats/base/variancech' );
 import variancepn = require( '@stdlib/stats/base/variancepn' );
-import variancetk = require( '@stdlib/stats/base/variancetk' );
 import dmeankbn2 = require( '@stdlib/stats/strided/dmeankbn2' );
 import dmeanli = require( '@stdlib/stats/strided/dmeanli' );
 import dmeanlipw = require( '@stdlib/stats/strided/dmeanlipw' );
@@ -1321,29 +1320,6 @@ interface Namespace {
 	*/
 	variancepn: typeof variancepn;
 
-	/**
-	* Computes the variance of a strided array 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, 2.0 ];
-	*
-	* var v = ns.variancetk( x.length, 1, x, 1 );
-	* // returns ~4.3333
-	*
-	* @example
-	* var x = [ 1.0, -2.0, 2.0 ];
-	*
-	* var v = ns.variancetk.ndarray( x.length, 1, x, 1, 0 );
-	* // returns ~4.3333
-	*/
-	variancetk: typeof variancetk;
-
 	/**
 	* Computes the arithmetic mean of a double-precision floating-point strided array using a second-order iterative Kahan–Babuška algorithm.
 	*

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

@@ -486,15 +486,6 @@ setReadOnly( ns, 'variancech', require( '@stdlib/stats/base/variancech' ) );
 */
 setReadOnly( ns, 'variancepn', require( '@stdlib/stats/base/variancepn' ) );
 
-/**
-* @name variancetk
-* @memberof ns
-* @readonly
-* @type {Function}
-* @see {@link module:@stdlib/stats/base/variancetk}
-*/
-setReadOnly( ns, 'variancetk', require( '@stdlib/stats/base/variancetk' ) );
-
 /**
 * @name dmeankbn2
 * @memberof ns