Remove duplicate workflow ID row (#21508)

Author: sammdec

src/content/docs/workflows/reference/limits.mdx

@@ -21,7 +21,6 @@ Many limits are inherited from those applied to Workers scripts and as documente
 | Maximum persisted state per step          | 1MiB (2^20 bytes) | 1MiB (2^20 bytes) |
 | Maximum event [payload size](/workflows/build/events-and-parameters/) | 1MiB (2^20 bytes) | 1MiB (2^20 bytes) |
 | Maximum state that can be persisted per Workflow instance | 100MB | 1GB |
-| Maximum length of a Workflow ID [^4]      | 64 characters | 64 characters |
 | Maximum `step.sleep` duration             | 365 days (1 year) | 365 days (1 year) |
 | Maximum steps per Workflow [^5]           | 1024 | 1024 |
 | Maximum Workflow executions               | 100,000 per day [shared with Workers daily limit](/workers/platform/limits/#worker-limits) | Unlimited |