Revert "Address 'no scope' warning"

This reverts commit d17039f.

Sending 'null' goes against the LSP spec,
so it only works with VS Code and LSP clients that are replicating this
behaviour.
(i.e. VS Code and neovim work, but emacs, helix, and many other clients don't)

Fixes #1201, fixes #1202

Author: datho7561

src/languageserver/handlers/settingsHandlers.ts

@@ -40,7 +40,7 @@ export class SettingsHandler {
     const config = await this.connection.workspace.getConfiguration([
       { section: 'yaml' },
       { section: 'http' },
-      { section: '[yaml]', scopeUri: 'null' },
+      { section: '[yaml]' },
       { section: 'editor' },
       { section: 'files' },
     ]);

test/settingsHandlers.test.ts

@@ -369,7 +369,7 @@ describe('Settings Handlers Tests', () => {
       expect(workspaceStub.getConfiguration).calledOnceWith([
         { section: 'yaml' },
         { section: 'http' },
-        { section: '[yaml]', scopeUri: 'null' },
+        { section: '[yaml]' },
         { section: 'editor' },
         { section: 'files' },
       ]);
@@ -409,7 +409,7 @@ describe('Settings Handlers Tests', () => {
       expect(workspaceStub.getConfiguration).calledOnceWith([
         { section: 'yaml' },
         { section: 'http' },
-        { section: '[yaml]', scopeUri: 'null' },
+        { section: '[yaml]' },
         { section: 'editor' },
         { section: 'files' },
       ]);