JS: Drop top-level Workflow SDK directive test cases

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: jketema

javascript/ql/test/library-tests/Directives/KnownDirective.expected

@@ -9,18 +9,16 @@
 | tst.js:9:1:9:12 | 'use cache'; | use cache |
 | tst.js:10:1:10:20 | 'use cache: remote'; | use cache: remote |
 | tst.js:11:1:11:21 | 'use ca ... ivate'; | use cache: private |
-| tst.js:12:1:12:15 | 'use workflow'; | use workflow |
-| tst.js:13:1:13:11 | 'use step'; | use step |
-| tst.js:22:3:22:12 | 'use asm'; | use asm |
-| tst.js:23:3:23:11 | 'bundle'; | bundle |
-| tst.js:24:3:24:12 | 'worklet'; | worklet |
-| tst.js:25:3:25:15 | 'use server'; | use server |
-| tst.js:26:3:26:15 | 'use client'; | use client |
-| tst.js:27:3:27:13 | 'use memo'; | use memo |
-| tst.js:28:3:28:16 | 'use no memo'; | use no memo |
-| tst.js:29:3:29:14 | 'use cache'; | use cache |
-| tst.js:30:3:30:22 | 'use cache: remote'; | use cache: remote |
-| tst.js:31:3:31:23 | 'use ca ... ivate'; | use cache: private |
-| tst.js:32:3:32:17 | 'use workflow'; | use workflow |
-| tst.js:33:3:33:13 | 'use step'; | use step |
-| tst.js:40:5:40:17 | 'use strict'; | use strict |
+| tst.js:20:3:20:12 | 'use asm'; | use asm |
+| tst.js:21:3:21:11 | 'bundle'; | bundle |
+| tst.js:22:3:22:12 | 'worklet'; | worklet |
+| tst.js:23:3:23:15 | 'use server'; | use server |
+| tst.js:24:3:24:15 | 'use client'; | use client |
+| tst.js:25:3:25:13 | 'use memo'; | use memo |
+| tst.js:26:3:26:16 | 'use no memo'; | use no memo |
+| tst.js:27:3:27:14 | 'use cache'; | use cache |
+| tst.js:28:3:28:22 | 'use cache: remote'; | use cache: remote |
+| tst.js:29:3:29:23 | 'use ca ... ivate'; | use cache: private |
+| tst.js:30:3:30:17 | 'use workflow'; | use workflow |
+| tst.js:31:3:31:13 | 'use step'; | use step |
+| tst.js:38:5:38:17 | 'use strict'; | use strict |

javascript/ql/test/library-tests/Directives/tst.js

@@ -9,8 +9,6 @@
 'use cache';
 'use cache: remote';
 'use cache: private';
-'use workflow';
-'use step';
 {
   'use strict'; // but this isn't a directive
 }