More clean up after removal of PEAR installation support

Found another few references which should be removed.

.gitattributes

@@ -2,7 +2,6 @@
 .gitattributes export-ignore
 .github/ export-ignore
 .gitignore export-ignore
-package.xml export-ignore
 phpcs.xml.dist export-ignore
 phpstan.neon export-ignore
 phpunit.xml.dist export-ignore

.github/ISSUE_TEMPLATE/bug_report.md

@@ -54,7 +54,7 @@ A clear and concise description of what you expected to happen.
 | PHP version | [e.g., 7.2, 7.4]
 | PHP_CodeSniffer version | [e.g., 3.5.5, master]
 | Standard | [e.g., PSR2, PSR12, Squiz, custom]
-| Install type | [e.g. Composer (global/local), PHAR, PEAR, git clone, other (please expand)]
+| Install type | [e.g. Composer (global/local), PHAR, git clone, other (please expand)]
 
 ## Additional context
 Add any other context about the problem here.

bin/phpcbf.bat

@@ -5,8 +5,6 @@ REM @author    Greg Sherwood <[email protected]>
 REM @copyright 2006-2015 Squiz Pty Ltd (ABN 77 084 670 600)
 REM @license   https://github.com/PHPCSStandards/PHP_CodeSniffer/blob/master/licence.txt BSD Licence
 
-if "%PHP_PEAR_PHP_BIN%" neq "" (
-    set PHPBIN=%PHP_PEAR_PHP_BIN%
-) else set PHPBIN=php
+set PHPBIN=php
 
 "%PHPBIN%" "%~dp0\phpcbf" %*

bin/phpcs.bat

@@ -5,8 +5,6 @@ REM @author    Greg Sherwood <[email protected]>
 REM @copyright 2006-2015 Squiz Pty Ltd (ABN 77 084 670 600)
 REM @license   https://github.com/PHPCSStandards/PHP_CodeSniffer/blob/master/licence.txt BSD Licence
 
-if "%PHP_PEAR_PHP_BIN%" neq "" (
-    set PHPBIN=%PHP_PEAR_PHP_BIN%
-) else set PHPBIN=php
+set PHPBIN=php
 
 "%PHPBIN%" "%~dp0\phpcs" %*

scripts/build-phar.php

@@ -11,7 +11,6 @@
  * @author    Greg Sherwood <[email protected]>
  * @copyright 2006-2014 Squiz Pty Ltd (ABN 77 084 670 600)
  * @license   https://github.com/PHPCSStandards/PHP_CodeSniffer/blob/master/licence.txt BSD Licence
- * @link      http://pear.php.net/package/PHP_CodeSniffer
  */
 
 use PHP_CodeSniffer\Config;