Correcting some easy Codacy issues

Author: joeratt

app/src/main/java/fr/free/nrw/commons/MediaDataExtractor.java

@@ -38,7 +38,6 @@ public class MediaDataExtractor {
     private String filename;
     private ArrayList<String> categories;
     private Map<String, String> descriptions;
-    private Date date;
     private String license;
     private @Nullable LatLng coordinates;
     private LicenseList licenseList;
@@ -179,7 +178,7 @@ private String getTemplateTitle(Node templateNode) throws IOException {
     }
 
     private static abstract class TemplateChildNodeComparator {
-        abstract public boolean match(Node node);
+        public abstract boolean match(Node node);
     }
 
     private Node findTemplateParameter(Node templateNode, String name) throws IOException {

app/src/main/java/fr/free/nrw/commons/MediaWikiImageView.java

@@ -35,7 +35,7 @@ public void setMedia(Media media) {
         if (currentThumbnailTask != null) {
             currentThumbnailTask.cancel(true);
         }
-        if(media == null) {
+        if (media == null) {
             return;
         }