Remove un-needed fields from the user profile page in /wp-admin. Add this to the theme functions.php

remove_extra_field_profile

<?php
	// Remove un-needed fields from the user profile page in /admin
	function remove_extra_field_profile() {

		$current_file_url = preg_replace( '#\?.*#' , '' , basename( $_SERVER['REQUEST_URI'] ) );

		if ( $current_file_url == 'profile.php' ) {
			add_action( 'wp_loaded', function(){ ob_start( 'profile_callback' );
			} );
			add_action( 'shutdown', function(){ ob_end_flush();
			} );
		}
	}
	add_action( 'init', 'remove_extra_field_profile' );


	function profile_callback( $html ) {
		$profile_dom = new DOMDocument;
		$profile_dom->loadHTML( $html );

		$all_lines = $profile_dom->getElementsByTagname( 'tr' );

		$excludes = array(
		'user-rich-editing-wrap',
		'user-admin-color-wrap',
		'user-comment-shortcuts-wrap',
		'show-admin-bar user-admin-bar-front-wrap',
		'user-url-wrap',
		'user-description-wrap',
		'user-twitter-wrap',
		'user-googleplus-wrap',
		'user-facebook-wrap',
			);

			$deletes = array();

		foreach ( $all_lines as $line ) {
			$tr_calss = $line->getAttribute( 'class' );

			if ( in_array( $tr_calss, $excludes ) ) {
				$deletes[] = $line;
			}
		}

			$deletes[] = $profile_dom->getElementsByTagname( 'h2' )->item( 0 );

		foreach ( $deletes as $delete ) {
			$delete->parentNode->removeChild( $delete );
		}

			return $profile_dom->saveHTML();
	}

?>