hide_editor.php

<?php
function get_page_id_by_template($page_template_filename){
    $pages = get_pages( array(
        'meta_key' => '_wp_page_template',
        'meta_value' => $page_template_filename
    ) );
	$pageIds = array();
    foreach($pages as $page){
		$pageId = $page->ID;
		array_push($pageIds, $pageId);
	}
	return $pageIds;
}

function croft_hide_editor() {
	$page_id = isset($_GET['post']) ? $_GET['post'] : '' ;
    if($page_id != ""){
		$disabled_IDs = array();
		$croft_page_templates = array( 'template-home.php');
		foreach($croft_page_templates as $croft_page_template){
			$pageIds = get_page_id_by_template('templates/'.$croft_page_template);
			foreach($pageIds as $pageId){
				array_push($disabled_IDs, $pageId);
			}
		}
		if (in_array($page_id, $disabled_IDs)) {
			remove_post_type_support('page', 'editor');
		}
	}
}
add_action( 'admin_init', 'croft_hide_editor' );