remove: remove variancech from namespace

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

BREAKING CHANGE: remove `variancech`

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

@@ -67,7 +67,6 @@ import stdevtk = require( '@stdlib/stats/base/stdevtk' );
 import stdevwd = require( '@stdlib/stats/base/stdevwd' );
 import stdevyc = require( '@stdlib/stats/base/stdevyc' );
 import variance = require( '@stdlib/stats/base/variance' );
-import variancech = require( '@stdlib/stats/base/variancech' );
 import dmeankbn2 = require( '@stdlib/stats/strided/dmeankbn2' );
 import dmeanli = require( '@stdlib/stats/strided/dmeanli' );
 import dmeanlipw = require( '@stdlib/stats/strided/dmeanlipw' );
@@ -1273,29 +1272,6 @@ interface Namespace {
 	*/
 	variance: typeof variance;
 
-	/**
-	* Computes the variance of a strided array using a one-pass trial mean 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.variancech( x.length, 1, x, 1 );
-	* // returns ~4.3333
-	*
-	* @example
-	* var x = [ 1.0, -2.0, 2.0 ];
-	*
-	* var v = ns.variancech.ndarray( x.length, 1, x, 1, 0 );
-	* // returns ~4.3333
-	*/
-	variancech: typeof variancech;
-
 	/**
 	* 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

@@ -468,15 +468,6 @@ setReadOnly( ns, 'stdevyc', require( '@stdlib/stats/base/stdevyc' ) );
 */
 setReadOnly( ns, 'variance', require( '@stdlib/stats/base/variance' ) );
 
-/**
-* @name variancech
-* @memberof ns
-* @readonly
-* @type {Function}
-* @see {@link module:@stdlib/stats/base/variancech}
-*/
-setReadOnly( ns, 'variancech', require( '@stdlib/stats/base/variancech' ) );
-
 /**
 * @name dmeankbn2
 * @memberof ns