remove: remove cidentity from namespace

This commit removes the `cidentity` symbol from the `@stdlib/math/base/special`
namespace due to a package migration.

BREAKING CHANGE: remove `cidentity`

To migrate, users should access the same symbol via the
`@stdlib/complex/float64/base` namespace.

---
type: pre_commit_static_analysis_report
description: Results of running static analysis checks when committing changes.
report:
  - task: lint_filenames
    status: passed
  - task: lint_editorconfig
    status: passed
  - task: lint_markdown
    status: na
  - task: lint_package_json
    status: na
  - task: lint_repl_help
    status: na
  - task: lint_javascript_src
    status: passed
  - task: lint_javascript_cli
    status: na
  - task: lint_javascript_examples
    status: na
  - task: lint_javascript_tests
    status: na
  - task: lint_javascript_benchmarks
    status: na
  - task: lint_python
    status: na
  - task: lint_r
    status: na
  - task: lint_c_src
    status: na
  - task: lint_c_examples
    status: na
  - task: lint_c_benchmarks
    status: na
  - task: lint_c_tests_fixtures
    status: na
  - task: lint_shell
    status: na
  - task: lint_typescript_declarations
    status: passed
  - task: lint_typescript_tests
    status: na
  - task: lint_license_headers
    status: passed
---

Author: gururaj1512

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

@@ -96,7 +96,6 @@ import cflipsign = require( '@stdlib/math/base/special/cflipsign' );
 import cflipsignf = require( '@stdlib/math/base/special/cflipsignf' );
 import cfloor = require( '@stdlib/math/base/special/cfloor' );
 import cfloorn = require( '@stdlib/math/base/special/cfloorn' );
-import cidentity = require( '@stdlib/math/base/special/cidentity' );
 import cidentityf = require( '@stdlib/math/base/special/cidentityf' );
 import cinv = require( '@stdlib/math/base/special/cinv' );
 import clamp = require( '@stdlib/math/base/special/clamp' );
@@ -2403,28 +2402,6 @@ interface Namespace {
 	*/
 	cfloorn: typeof cfloorn;
 
-	/**
-	* Evaluates the identity function for double-precision complex floating-point number.
-	*
-	* @param z - input value
-	* @returns input value
-	*
-	* @example
-	* var Complex128 = require( '@stdlib/complex/float64/ctor' );
-	* var real = require( '@stdlib/complex/float64/real' );
-	* var imag = require( '@stdlib/complex/float64/imag' );
-	*
-	* var v = ns.cidentity( new Complex128( -1.0, 2.0 ) );
-	* // returns <Complex128>
-	*
-	* var re = real( v );
-	* // returns -1.0
-	*
-	* var im = imag( v );
-	* // returns 2.0
-	*/
-	cidentity: typeof cidentity;
-
 	/**
 	* Evaluates the identity function for single-precision complex floating-point number.
 	*

lib/node_modules/@stdlib/math/base/special/lib/index.js

@@ -720,15 +720,6 @@ setReadOnly( special, 'cfloor', require( '@stdlib/math/base/special/cfloor' ) );
 */
 setReadOnly( special, 'cfloorn', require( '@stdlib/math/base/special/cfloorn' ) );
 
-/**
-* @name cidentity
-* @memberof special
-* @readonly
-* @type {Function}
-* @see {@link module:@stdlib/math/base/special/cidentity}
-*/
-setReadOnly( special, 'cidentity', require( '@stdlib/math/base/special/cidentity' ) );
-
 /**
 * @name cidentityf
 * @memberof special