Apply some autofix linter rules

Summary: Self-explanatory

Test Plan: Eyeball it.

Reviewers: epriestley, #blessed_reviewers

Reviewed By: epriestley, #blessed_reviewers

Subscribers: epriestley, Korvin

Differential Revision: https://secure.phabricator.com/D10453

src/exception/usage/ArcanistUncommittedChangesException.php

@@ -1,5 +1,4 @@
 <?php
 
-final class ArcanistUncommittedChangesException extends ArcanistUsageException {
-
-}
+final class ArcanistUncommittedChangesException
+  extends ArcanistUsageException {}

src/lint/ArcanistLintPatcher.php

@@ -58,9 +58,7 @@ final class ArcanistLintPatcher {
     }
   }
 
-  private function __construct() {
-
-  }
+  private function __construct() {}
 
   private function buildModifiedFile() {
     $data = $this->getUnmodifiedFileContent();

src/lint/engine/ArcanistLintEngine.php

@@ -66,9 +66,7 @@ abstract class ArcanistLintEngine {
 
   private $linterResources = array();
 
-  public function __construct() {
-
-  }
+  public function __construct() {}
 
   final public function setConfigurationManager(
     ArcanistConfigurationManager $configuration_manager) {

src/unit/engine/ArcanistUnitTestEngine.php

@@ -34,9 +34,7 @@ abstract class ArcanistUnitTestEngine {
     return false;
   }
 
-  final public function __construct() {
-
-  }
+  final public function __construct() {}
 
   public function setConfigurationManager(
     ArcanistConfigurationManager $configuration_manager) {

src/workflow/ArcanistFeatureWorkflow.php

@@ -136,8 +136,7 @@ EOTEXT
               $command,
               $name);
           }
-        } catch (ConduitClientException $ex) {
-        }
+        } catch (ConduitClientException $ex) {}
       }
     }