fix: color of placeholder text does not respect setting

microsoft#230056

Author: d-mahard

src/vs/editor/contrib/placeholderText/browser/placeholderText.contribution.ts

@@ -13,4 +13,4 @@ import { wrapInReloadableClass1 } from '../../../../platform/observable/common/w
 
 registerEditorContribution(PlaceholderTextContribution.ID, wrapInReloadableClass1(() => PlaceholderTextContribution), EditorContributionInstantiation.Eager);
 
-registerColor('editor.placeholder.foreground', ghostTextForeground, localize('placeholderForeground', 'Foreground color of the placeholder text in the editor.'));
+export const placeholderForeground = registerColor('editor.placeholder.foreground', ghostTextForeground, localize('placeholderForeground', 'Foreground color of the placeholder text in the editor.'));

src/vs/editor/contrib/placeholderText/browser/placeholderText.css

@@ -4,7 +4,6 @@
  *--------------------------------------------------------------------------------------------*/
 
 .monaco-editor {
-	--vscode-editor-placeholder-foreground: var(--vscode-editorGhostText-foreground);
 
 	.editorPlaceholder {
 		top: 0px;