Drop unnecessary elses after returns

app/src/main/java/org/fdroid/fdroid/data/LoggingQuery.java

@@ -61,9 +61,8 @@ public class LoggingQuery {
                 logSlowQuery(queryDuration);
             }
             return cursor;
-        } else {
-            return db.rawQuery(query, queryArgs);
         }
+        return db.rawQuery(query, queryArgs);
     }
 
     /**

app/src/main/java/org/fdroid/fdroid/data/QueryBuilder.java

@@ -147,9 +147,8 @@ abstract class QueryBuilder {
     private String orderBySql() {
         if (orderBys.size() == 0) {
             return "";
-        } else {
-            return " ORDER BY " + TextUtils.join(", ", orderBys);
         }
+        return " ORDER BY " + TextUtils.join(", ", orderBys);
     }
 
     private String groupBySql() {

app/src/main/java/org/fdroid/fdroid/installer/Installer.java

@@ -91,16 +91,15 @@ public abstract class Installer {
         }
 
         int count = newPermissionCount(apk);
-        if (count > 0) {
+        if (count == 0) {
-            Uri uri = ApkProvider.getContentUri(apk);
-            Intent intent = new Intent(context, InstallConfirmActivity.class);
-            intent.setData(uri);
-
-            return intent;
-        } else {
             // no permission screen needed!
             return null;
         }
+        Uri uri = ApkProvider.getContentUri(apk);
+        Intent intent = new Intent(context, InstallConfirmActivity.class);
+        intent.setData(uri);
+
+        return intent;
     }
 
     private int newPermissionCount(Apk apk) {