QA: optimize imports - remove unused and order alphabetically

Honestly I am not sure what standard the library is using in terms of
sorting global imports but I find it quite confusing when these are not
ordered alphabetically and when non used imports are there.

Author: michalbundyra

src/Config.php

@@ -12,8 +12,8 @@
 
 namespace PHP_CodeSniffer;
 
-use PHP_CodeSniffer\Exceptions\RuntimeException;
 use PHP_CodeSniffer\Exceptions\DeepExitException;
+use PHP_CodeSniffer\Exceptions\RuntimeException;
 
 class Config
 {

src/Reporter.php

@@ -9,10 +9,10 @@
 
 namespace PHP_CodeSniffer;
 
-use PHP_CodeSniffer\Reports\Report;
-use PHP_CodeSniffer\Files\File;
-use PHP_CodeSniffer\Exceptions\RuntimeException;
 use PHP_CodeSniffer\Exceptions\DeepExitException;
+use PHP_CodeSniffer\Exceptions\RuntimeException;
+use PHP_CodeSniffer\Files\File;
+use PHP_CodeSniffer\Reports\Report;
 use PHP_CodeSniffer\Util\Common;
 
 class Reporter

src/Ruleset.php

@@ -11,8 +11,8 @@
 
 namespace PHP_CodeSniffer;
 
-use PHP_CodeSniffer\Util;
 use PHP_CodeSniffer\Exceptions\RuntimeException;
+use PHP_CodeSniffer\Util;
 
 class Ruleset
 {

src/Runner.php

@@ -12,14 +12,14 @@
 
 namespace PHP_CodeSniffer;
 
-use PHP_CodeSniffer\Files\FileList;
-use PHP_CodeSniffer\Files\File;
+use PHP_CodeSniffer\Exceptions\DeepExitException;
+use PHP_CodeSniffer\Exceptions\RuntimeException;
 use PHP_CodeSniffer\Files\DummyFile;
+use PHP_CodeSniffer\Files\File;
+use PHP_CodeSniffer\Files\FileList;
 use PHP_CodeSniffer\Util\Cache;
 use PHP_CodeSniffer\Util\Common;
 use PHP_CodeSniffer\Util\Standards;
-use PHP_CodeSniffer\Exceptions\RuntimeException;
-use PHP_CodeSniffer\Exceptions\DeepExitException;
 
 class Runner
 {

src/Standards/Generic/Sniffs/Arrays/DisallowLongArraySyntaxSniff.php

@@ -9,8 +9,8 @@
 
 namespace PHP_CodeSniffer\Standards\Generic\Sniffs\Arrays;
 
-use PHP_CodeSniffer\Sniffs\Sniff;
 use PHP_CodeSniffer\Files\File;
+use PHP_CodeSniffer\Sniffs\Sniff;
 
 class DisallowLongArraySyntaxSniff implements Sniff
 {

src/Standards/Generic/Sniffs/Arrays/DisallowShortArraySyntaxSniff.php

@@ -9,8 +9,8 @@
 
 namespace PHP_CodeSniffer\Standards\Generic\Sniffs\Arrays;
 
-use PHP_CodeSniffer\Sniffs\Sniff;
 use PHP_CodeSniffer\Files\File;
+use PHP_CodeSniffer\Sniffs\Sniff;
 
 class DisallowShortArraySyntaxSniff implements Sniff
 {

src/Standards/Generic/Sniffs/Classes/DuplicateClassNameSniff.php

@@ -9,8 +9,8 @@
 
 namespace PHP_CodeSniffer\Standards\Generic\Sniffs\Classes;
 
-use PHP_CodeSniffer\Sniffs\Sniff;
 use PHP_CodeSniffer\Files\File;
+use PHP_CodeSniffer\Sniffs\Sniff;
 
 class DuplicateClassNameSniff implements Sniff
 {

src/Standards/Generic/Sniffs/Classes/OpeningBraceSameLineSniff.php

@@ -9,8 +9,8 @@
 
 namespace PHP_CodeSniffer\Standards\Generic\Sniffs\Classes;
 
-use PHP_CodeSniffer\Sniffs\Sniff;
 use PHP_CodeSniffer\Files\File;
+use PHP_CodeSniffer\Sniffs\Sniff;
 
 class OpeningBraceSameLineSniff implements Sniff
 {

src/Standards/Generic/Sniffs/CodeAnalysis/AssignmentInConditionSniff.php

@@ -13,8 +13,8 @@
 
 namespace PHP_CodeSniffer\Standards\Generic\Sniffs\CodeAnalysis;
 
-use PHP_CodeSniffer\Sniffs\Sniff;
 use PHP_CodeSniffer\Files\File;
+use PHP_CodeSniffer\Sniffs\Sniff;
 use PHP_CodeSniffer\Util\Tokens;
 
 class AssignmentInConditionSniff implements Sniff

src/Standards/Generic/Sniffs/CodeAnalysis/EmptyPHPStatementSniff.php

@@ -12,8 +12,8 @@
 
 namespace PHP_CodeSniffer\Standards\Generic\Sniffs\CodeAnalysis;
 
-use PHP_CodeSniffer\Sniffs\Sniff;
 use PHP_CodeSniffer\Files\File;
+use PHP_CodeSniffer\Sniffs\Sniff;
 use PHP_CodeSniffer\Util\Tokens;
 
 class EmptyPHPStatementSniff implements Sniff