Agents: move bootstrap warnings out of system prompt (#48753)

Merged via squash.

Prepared head SHA: dc1d4d075a
Co-authored-by: scoootscooob <167050519+scoootscooob@users.noreply.github.com>
Reviewed-by: @scoootscooob

src/agents/cli-runner/helpers.ts

@@ -48,7 +48,6 @@ export function buildSystemPrompt(params: {
   docsPath?: string;
   tools: AgentTool[];
   contextFiles?: EmbeddedContextFile[];
-  bootstrapTruncationWarningLines?: string[];
   modelDisplay: string;
   agentId?: string;
 }) {
@@ -92,7 +91,6 @@ export function buildSystemPrompt(params: {
     userTime,
     userTimeFormat,
     contextFiles: params.contextFiles,
-    bootstrapTruncationWarningLines: params.bootstrapTruncationWarningLines,
     ttsHint,
     memoryCitationsMode: params.config?.memory?.citations,
   });