Removing obsoleted DesktopEnvironment

Author: JaroslavTulach

lib/java/os-environment/src/main/java/org/enso/os/environment/DesktopEnvironment.java

@@ -1,6 +1,8 @@
 package org.enso.os.environment;
 
 import org.enso.common.Platform;
+import org.enso.os.environment.directories.Directories;
+import org.enso.os.environment.trash.TrashBin;
 import org.junit.Assert;
 import org.junit.Test;
 
@@ -13,11 +15,11 @@ public void getOperatingSystem() {
 
   @Test
   public void getDirectories() {
-    Assert.assertNotNull(DesktopEnvironment.getDirectories());
+    Assert.assertNotNull(Directories.getCurrent());
   }
 
   @Test
   public void getTrashBin() {
-    Assert.assertNotNull(DesktopEnvironment.getTrashBin());
+    Assert.assertNotNull(TrashBin.getCurrent());
   }
 }

lib/java/os-environment/src/test/java/org/enso/os/environment/PlatformTest.java

@@ -1,6 +1,6 @@
 package org.enso.projectmanager.boot.configuration
 
-import org.enso.os.environment.DesktopEnvironment
+import org.enso.os.environment.directories.Directories
 
 import java.io.{File, IOException}
 
@@ -21,7 +21,7 @@ case class StorageConfig(
   def userProjectsPath: File = {
     val projectsRootDirectory =
       projectsRoot.getOrElse(
-        DesktopEnvironment.getDirectories.getDocuments.toFile
+        Directories.getCurrent.getDocuments.toFile
       )
     new File(projectsRootDirectory, projectsDirectory)
   }