Fix references to deprecated ignore syntaxes

Author: jrfnl

wiki/Fixing-Errors-Automatically.md

@@ -69,7 +69,7 @@ Usage: phpcbf [-nwli] [-d key[=value]] [--ignore-annotations] [--stdin-path=<std
 
  --help                Print this help message
  --version             Print version information
- --ignore-annotations  Ignore all @codingStandard annotations in code comments
+ --ignore-annotations  Ignore all phpcs: annotations in code comments
 
  <basepath>    A path to strip from the front of file paths inside reports
  <file>        One or more files and/or directories to fix

wiki/Usage.md

@@ -178,7 +178,7 @@ With progress output enabled, PHP_CodeSniffer will print a single-character stat
 * `.` : The file contained no errors or warnings
 * `E` : The file contained 1 or more errors
 * `W` : The file contained 1 or more warnings, but no errors
-* `S` : The file contained a [@codingStandardsIgnoreFile](https://github.com/PHPCSStandards/PHP_CodeSniffer/wiki/Advanced-Usage#ignoring-files-and-folders) comment and was skipped
+* `S` : The file contained a [// phpcs:ignoreFile](https://github.com/PHPCSStandards/PHP_CodeSniffer/wiki/Advanced-Usage#ignoring-files-and-folders) comment and was skipped
 
 Progress output will look like this: