Fix patterns chapter

docs/src/SUMMARY.md

@@ -17,7 +17,7 @@
   - [Proper Shutdown](./patterns/proper-shutdown.md)
   - [Background Tasks](./patterns/background-tasks.md)
   - [Testing](./patterns/testing.md)
-  - [Collected Small Patterns](./patters/small-patterns.md)
+  - [Collected Small Patterns](./patterns/small-patterns.md)
 - [Security practices](./security/index.md)
   - [Security disclosures and policy](./security/policy.md)
 - [Glossary](./glossary.md)

docs/src/patterns/small-patterns.md

@@ -2,8 +2,6 @@
 
 A collection of small, useful patterns.
 
-<!-- toc -->
-
 ## Splitting streams
 
 `async-std` doesn't provide a `split()` method on `io` handles. Instead, splitting a stream into a read and write half can be done like this: