remove: remove dmeanvar from namespace

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

BREAKING CHANGE: remove `dmeanvar`

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

Ref: #4797

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Author: gururaj1512

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

@@ -27,7 +27,6 @@ import cuminabs = require( '@stdlib/stats/base/cuminabs' );
 import dists = require( '@stdlib/stats/base/dists' );
 import dmeanstdev = require( '@stdlib/stats/base/dmeanstdev' );
 import dmeanstdevpn = require( '@stdlib/stats/base/dmeanstdevpn' );
-import dmeanvar = require( '@stdlib/stats/base/dmeanvar' );
 import nanmean = require( '@stdlib/stats/base/nanmean' );
 import nanmeanors = require( '@stdlib/stats/base/nanmeanors' );
 import nanmeanpn = require( '@stdlib/stats/base/nanmeanpn' );
@@ -272,37 +271,6 @@ interface Namespace {
 	*/
 	dmeanstdevpn: typeof dmeanstdevpn;
 
-	/**
-	* Computes the mean and variance of a double-precision floating-point strided array.
-	*
-	* @param N - number of indexed elements
-	* @param correction - degrees of freedom adjustment
-	* @param x - input array
-	* @param strideX - `x` stride length
-	* @param out - output array
-	* @param strideOut - `out` stride length
-	* @returns output array
-	*
-	* @example
-	* var Float64Array = require( '@stdlib/array/float64' );
-	*
-	* var x = new Float64Array( [ 1.0, -2.0, 2.0 ] );
-	* var out = new Float64Array( 2 );
-	*
-	* var v = ns.dmeanvar( x.length, 1, x, 1, out, 1 );
-	* // returns <Float64Array>[ ~0.3333, ~4.3333 ]
-	*
-	* @example
-	* var Float64Array = require( '@stdlib/array/float64' );
-	*
-	* var x = new Float64Array( [ 1.0, -2.0, 2.0 ] );
-	* var out = new Float64Array( 2 );
-	*
-	* var v = ns.dmeanvar.ndarray( x.length, 1, x, 1, 0, out, 1, 0 );
-	* // returns <Float64Array>[ ~0.3333, ~4.3333 ]
-	*/
-	dmeanvar: typeof dmeanvar;
-
 	/**
 	* Computes the arithmetic mean of a strided array, ignoring `NaN` values.
 	*

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

@@ -99,15 +99,6 @@ setReadOnly( ns, 'dmeanstdev', require( '@stdlib/stats/base/dmeanstdev' ) );
 */
 setReadOnly( ns, 'dmeanstdevpn', require( '@stdlib/stats/base/dmeanstdevpn' ) );
 
-/**
-* @name dmeanvar
-* @memberof ns
-* @readonly
-* @type {Function}
-* @see {@link module:@stdlib/stats/base/dmeanvar}
-*/
-setReadOnly( ns, 'dmeanvar', require( '@stdlib/stats/base/dmeanvar' ) );
-
 /**
 * @name nanmean
 * @memberof ns