Minor code style updates (#13722)

* Fix filename

* Remove empty JavaDoc

* Use explicit if

Author: koppor

jablib/src/main/java/org/jabref/logic/importer/fileformat/MrDLibImporter.java

@@ -1,6 +1,3 @@
-/**
- *
- */
 package org.jabref.logic.importer.fileformat;
 
 import java.io.BufferedReader;

jablib/src/main/java/org/jabref/logic/openoffice/style/JStyleGetCitationMarker.java

@@ -141,11 +141,13 @@ private static String formatAuthorList(JStyle style,
         // emitAllAuthors == false means use "et al."
         boolean emitAllAuthors = (nAuthors <= maxAuthors) || (maxAuthors == -1);
 
-        int nAuthorsToEmit = emitAllAuthors
-                              ? nAuthors
-                              // If we use "et al." maxAuthorsBeforeEtAl also limits the
-                              // number of authors emitted.
-                              : Math.min(maxAuthorsBeforeEtAl, nAuthors);
+        int nAuthorsToEmit;
+        if (emitAllAuthors) {
+            nAuthorsToEmit = nAuthors;
+        } else {
+            // If we use "et al." maxAuthorsBeforeEtAl also limits the number of authors emitted.
+            nAuthorsToEmit = Math.min(maxAuthorsBeforeEtAl, nAuthors);
+        }
 
         if (nAuthorsToEmit >= 1) {
             stringBuilder.append(style.getAuthorsPartMarkupBefore());