remove obsolete localization strings

fix checkstyle

src/main/java/org/jabref/gui/bibtexkeypattern/BibtexKeyPatternPanel.java

@@ -103,7 +103,6 @@ private void buildGUI() {
 
         rowIndex++;
 
-
         ActionFactory factory = new ActionFactory(Globals.prefs.getKeyBindingRepository());
         Button help = factory.createIconButton(StandardActions.HELP, new HelpAction(Localization.lang("Help on key patterns"), HelpFile.BIBTEX_KEY_PATTERN).getCommand());
         gridPane.add(help, 1, rowIndex);
@@ -119,7 +118,6 @@ private void buildGUI() {
         gridPane.add(btnDefaultAll1, 2, rowIndex);
     }
 
-
     /**
      * fill the given LabelPattern by values generated from the text fields
      */
@@ -141,8 +139,7 @@ private void fillPatternUsingPanelData(AbstractBibtexKeyPattern keypatterns) {
 
     protected GlobalBibtexKeyPattern getKeyPatternAsGlobalBibtexKeyPattern() {
         GlobalBibtexKeyPattern res = GlobalBibtexKeyPattern.fromPattern(
-                JabRefPreferences.getInstance().get(JabRefPreferences.DEFAULT_BIBTEX_KEY_PATTERN)
-        );
+                                                                        JabRefPreferences.getInstance().get(JabRefPreferences.DEFAULT_BIBTEX_KEY_PATTERN));
         fillPatternUsingPanelData(res);
         return res;
     }

src/main/resources/l10n/JabRef_en.properties

@@ -137,8 +137,6 @@ Change\ of\ Grouping\ Method=Change of Grouping Method
 
 change\ preamble=change preamble
 
-Change\ table\ column\ and\ General\ fields\ settings\ to\ use\ the\ new\ feature=Change table column and General fields settings to use the new feature
-
 Changed\ language\ settings=Changed language settings
 
 Changed\ preamble=Changed preamble
@@ -283,13 +281,10 @@ Do\ not\ import\ entry=Do not import entry
 Do\ not\ open\ any\ files\ at\ startup=Do not open any files at startup
 
 Do\ not\ overwrite\ existing\ keys=Do not overwrite existing keys
-Do\ not\ show\ these\ options\ in\ the\ future=Do not show these options in the future
 
 Do\ not\ wrap\ the\ following\ fields\ when\ saving=Do not wrap the following fields when saving
 Do\ not\ write\ the\ following\ fields\ to\ XMP\ Metadata\:=Do not write the following fields to XMP Metadata:
 
-Do\ you\ want\ JabRef\ to\ do\ the\ following\ operations?=Do you want JabRef to do the following operations?
-
 Donate\ to\ JabRef=Donate to JabRef
 
 Down=Down
@@ -439,8 +434,6 @@ Formatter\ name=Formatter name
 
 found\ in\ AUX\ file=found in AUX file
 
-Full\ name=Full name
-
 Further\ information\ about\ Mr\ DLib.\ for\ JabRef\ users.=Further information about Mr DLib. for JabRef users.
 
 General=General
@@ -619,8 +612,6 @@ Modify=Modify
 
 Move\ down=Move down
 
-Move\ external\ links\ to\ 'file'\ field=Move external links to 'file' field
-
 move\ group=move group
 
 Move\ up=Move up
@@ -918,8 +909,6 @@ Set\ fields=Set fields
 
 Set\ General\ Fields=Set General Fields
 
-Set\ main\ external\ file\ directory=Set main external file directory
-
 Settings=Settings
 
 Shortcut=Shortcut
@@ -1062,8 +1051,6 @@ untitled=untitled
 Up=Up
 
 Upgrade\ external\ PDF/PS\ links\ to\ use\ the\ '%0'\ field.=Upgrade external PDF/PS links to use the '%0' field.
-Upgrade\ file=Upgrade file
-Upgrade\ old\ external\ file\ links\ to\ use\ the\ new\ feature=Upgrade old external file links to use the new feature
 
 usage=usage
 Use\ autocompletion\ for\ the\ following\ fields=Use autocompletion for the following fields
@@ -1553,8 +1540,6 @@ This\ search\ contains\ entries\ in\ which\ any\ field\ contains\ the\ term\ <b>
 This\ search\ contains\ entries\ in\ which=This search contains entries in which
 
 Unable\ to\ autodetect\ OpenOffice/LibreOffice\ installation.\ Please\ choose\ the\ installation\ directory\ manually.=Unable to autodetect OpenOffice/LibreOffice installation. Please choose the installation directory manually.
-JabRef\ no\ longer\ supports\ 'ps'\ or\ 'pdf'\ fields.<br>File\ links\ are\ now\ stored\ in\ the\ 'file'\ field\ and\ files\ are\ stored\ in\ an\ external\ file\ directory.<br>To\ make\ use\ of\ this\ feature,\ JabRef\ needs\ to\ upgrade\ file\ links.<br><br>=JabRef no longer supports 'ps' or 'pdf' fields.<br>File links are now stored in the 'file' field and files are stored in an external file directory.<br>To make use of this feature, JabRef needs to upgrade file links.<br><br>
-This\ library\ uses\ outdated\ file\ links.=This library uses outdated file links.
 
 Close\ library=Close library
 Decrease\ table\ font\ size=Decrease table font size