[guide] remove remaining numbered links used as targets.

Author: ljharb

README.md

@@ -367,7 +367,7 @@ Other Style Guides
     ```
 
   <a name="arrays--callback-return"></a><a name="4.5"></a>
-  - [4.5](#arrays--callback-return) Use return statements in array method callbacks. It's ok to omit the return if the function body consists of a single statement following [8.2](#8.2). eslint: [`array-callback-return`](http://eslint.org/docs/rules/array-callback-return)
+  - [4.5](#arrays--callback-return) Use return statements in array method callbacks. It's ok to omit the return if the function body consists of a single statement following [8.2](#arrows--implicit-return). eslint: [`array-callback-return`](http://eslint.org/docs/rules/array-callback-return)
 
     ```javascript
     // good
@@ -2569,7 +2569,7 @@ Other Style Guides
 ## Semicolons
 
   <a name="semicolons--required"></a><a name="20.1"></a>
-  - [20.1](#20.1) **Yup.** eslint: [`semi`](http://eslint.org/docs/rules/semi.html) jscs: [`requireSemicolons`](http://jscs.info/rule/requireSemicolons)
+  - [20.1](#semicolons--required) **Yup.** eslint: [`semi`](http://eslint.org/docs/rules/semi.html) jscs: [`requireSemicolons`](http://jscs.info/rule/requireSemicolons)
 
     ```javascript
     // bad