Revert change on static import

Author: travkin79

org.eclipse.lsp4e/src/org/eclipse/lsp4e/LSPEclipseUtils.java

@@ -21,7 +21,7 @@
  *******************************************************************************/
 package org.eclipse.lsp4e;
 
-import static org.eclipse.lsp4e.internal.NullSafetyHelper.*;
+import static org.eclipse.lsp4e.internal.NullSafetyHelper.castNonNull;
 
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;