删除用例代码中未使用的引用

Signed-off-by: Nzleoyu <zhangleiyu1@huawei.com>
Change-Id: Ia0022f93a0ee10fca1c2d26c58fd111a94edbb61

graphic/webGL/src/main/js/default/test/WebGL.test01.js

@@ -13,7 +13,6 @@
  * limitations under the License.
  */
 import app from '@system.app'
-import Context from '@ohos.napi_context'
 
 import {
 	describe,

graphic/webGL/src/main/js/default/test/WebGL.test02.js

@@ -13,7 +13,6 @@
  * limitations under the License.
  */
 import app from '@system.app'
-import Context from '@ohos.napi_context'
 
 import {
 	describe,

graphic/webGL/src/main/js/default/test/WebGL.test03.js

@@ -13,7 +13,6 @@
  * limitations under the License.
  */
 import app from '@system.app'
-import Context from '@ohos.napi_context'
 
 import {
 	describe,

graphic/webGL/src/main/js/default/test/WebGL.test04.js

@@ -13,7 +13,6 @@
  * limitations under the License.
  */
 import app from '@system.app'
-import Context from '@ohos.napi_context'
 
 import {
 	describe,

graphic/webGL/src/main/js/default/test/WebGL.test05.js

@@ -13,7 +13,6 @@
  * limitations under the License.
  */
 import app from '@system.app'
-import Context from '@ohos.napi_context'
 
 import {
 	describe,

graphic/webGL/src/main/js/default/test/WebGL.test06.js

@@ -13,7 +13,6 @@
  * limitations under the License.
  */
 import app from '@system.app'
-import Context from '@ohos.napi_context'
 
 import {
 	describe,

graphic/webGL/src/main/js/default/test/WebGL.test07.js

@@ -13,7 +13,6 @@
  * limitations under the License.
  */
 import app from '@system.app'
-import Context from '@ohos.napi_context'
 
 import {
 	describe,

graphic/webGL/src/main/js/default/test/WebGL.test08.js

@@ -13,7 +13,6 @@
  * limitations under the License.
  */
 import app from '@system.app'
-import Context from '@ohos.napi_context'
 
 import {
 	describe,

graphic/webGL/src/main/js/default/test/WebGL.test09.js

@@ -13,7 +13,6 @@
  * limitations under the License.
  */
 import app from '@system.app'
-import Context from '@ohos.napi_context'
 
 import {
 	describe,

graphic/webGL/src/main/js/default/test/WebGL.test10.js

@@ -13,7 +13,6 @@
  * limitations under the License.
  */
 import app from '@system.app'
-import Context from '@ohos.napi_context'
 
 import {
 	describe,

graphic/webGL/src/main/js/default/test/WebGL.test11.js

@@ -13,7 +13,6 @@
  * limitations under the License.
  */
 import app from '@system.app'
-import Context from '@ohos.napi_context'
 
 import {
 	describe,

graphic/webGL/src/main/js/default/test/WebGL.test12.js

@@ -13,7 +13,6 @@
  * limitations under the License.
  */
 import app from '@system.app'
-import Context from '@ohos.napi_context'
 
 import {
 	describe,

graphic/webGL/src/main/js/default/test/WebGL.test13.js

@@ -13,7 +13,6 @@
  * limitations under the License.
  */
 import app from '@system.app'
-import Context from '@ohos.napi_context'
 
 import {
 	describe,

graphic/webGL/src/main/js/default/test/WebGL.test14.js

@@ -13,7 +13,6 @@
  * limitations under the License.
  */
 import app from '@system.app'
-import Context from '@ohos.napi_context'
 
 import {
 	describe,

graphic/webGL/src/main/js/default/test/WebGL.test15.js

@@ -13,7 +13,6 @@
  * limitations under the License.
  */
 import app from '@system.app'
-import Context from '@ohos.napi_context'
 
 import {
 	describe,

graphic/webGL/src/main/js/default/test/webGL.test.js

@@ -13,7 +13,6 @@
  * limitations under the License.
  */
 import app from '@system.app'
-import Context from '@ohos.napi_context'
 
 import {
 	describe,