Revert "Give conversation tiddlers a dummy text field"

This reverts commit 0e5955397b.

plugins/tiddlywiki/ai-tools/modules/conversations-archive-importer.js

@@ -27,8 +27,7 @@ ConversationsArchiveImporter.prototype.import = function(widget,conversationsTit
 			title: conversationTitle,
 			tags: $tw.utils.stringifyList(["$:/tags/AI/Conversation"]),
 			created: conversationCreated,
-			modified: conversationModified,
-			text: "."
+			modified: conversationModified
 		};
 		tiddlers.push(conversationFields);
 		var messageIndex = 1;

plugins/tiddlywiki/ai-tools/page-menu/new-conversation.tid

@@ -7,7 +7,6 @@ tags: $:/tags/AI/PageMenu
 	tags="$:/tags/AI/Conversation"
 	system-prompt="You are a helpful assistant."
 	current-response-text="Please list the 10 most important mechanical inventions of the Twentieth Century"
-	text="."
 >
 <$action-navigate $to=<<createTiddler-title>>/>
 </$action-createtiddler>