fix: revert placeholder-on-return change (#324)

Author: 43081j

.changeset/afraid-ladybugs-drive.md

@@ -0,0 +1,6 @@
+---
+"@clack/prompts": minor
+"@clack/core": minor
+---
+
+Reverted a change where placeholders were being set as values on return.

packages/core/src/prompts/prompt.ts

@@ -205,11 +205,6 @@ export default class Prompt {
 		}
 
 		if (key?.name === 'return') {
-			if (!this.value && this.opts.placeholder) {
-				this.rl?.write(this.opts.placeholder);
-				this.emit('value', this.opts.placeholder);
-			}
-
 			if (this.opts.validate) {
 				const problem = this.opts.validate(this.value);
 				if (problem) {