Install: don't suggest deleting of install folder

It is not needed
Instead just remove ip.txt, this will lock the installation

install/tools/7-finish.php

@@ -57,6 +57,8 @@ if ($db->hasTable('players')) {
 DataLoader::setLocale($locale);
 DataLoader::load();
 
+clearCache();
+
 // add menus entries
 require_once SYSTEM . 'migrations/17.php';
 $up();
@@ -105,6 +107,10 @@ if(file_exists(CACHE . 'install.txt')) {
 	unlink(CACHE . 'install.txt');
 }
 
+if(file_exists(BASE . 'install/ip.txt')) {
+	unlink(BASE . 'install/ip.txt');
+}
+
 $locale['step_finish_desc'] = str_replace('$ADMIN_PANEL$', generateLink(str_replace('tools/', '',ADMIN_URL), $locale['step_finish_admin_panel'], true), $locale['step_finish_desc']);
 $locale['step_finish_desc'] = str_replace('$HOMEPAGE$', generateLink(str_replace('tools/', '', BASE_URL), $locale['step_finish_homepage'], true), $locale['step_finish_desc']);
 $locale['step_finish_desc'] = str_replace('$LINK$', generateLink('https://my-aac.org', 'https://my-aac.org', true), $locale['step_finish_desc']);

system/locale/de/install.php

@@ -20,7 +20,7 @@ $locale['not_loaded'] = 'Nicht geladen';
 $locale['loading_spinner'] = 'Bitte warten, installieren...';
 $locale['importing_spinner'] = 'Bitte warte, Daten werden importiert...';
 $locale['please_fill_all'] = 'Bitte füllen Sie alle Felder aus!';
-$locale['already_installed'] = 'MyAAC wurde bereits installiert. Bitte löschen <b>install/</b> Verzeichnis. Wenn Sie MyAAC neu installieren möchten, löschen Sie die Datei <strong>config.local.php</strong> aus dem Hauptverzeichnis und aktualisieren Sie die Seite.';
+$locale['already_installed'] = 'MyAAC wurde bereits installiert. Wenn Sie MyAAC neu installieren möchten, löschen Sie die Datei <strong>config.local.php</strong> aus dem Hauptverzeichnis und aktualisieren Sie die Seite.';
 
 // welcome
 $locale['step_welcome'] = 'Willkommen';

system/locale/en/install.php

@@ -20,7 +20,7 @@ $locale['not_loaded'] = 'Not loaded';
 $locale['loading_spinner'] = 'Please wait, installing...';
 $locale['importing_spinner'] = 'Please wait, importing data...';
 $locale['please_fill_all'] = 'Please fill all inputs!';
-$locale['already_installed'] = 'MyAAC has been already installed. Please delete <b>install/</b> directory. If you want to reinstall MyAAC - please delete <strong>config.local.php</strong> file from the main directory and refresh the page.';
+$locale['already_installed'] = 'MyAAC has been already installed. If you want to reinstall MyAAC - please delete <strong>config.local.php</strong> file from the main directory and refresh the page.';
 
 // welcome
 $locale['step_welcome'] = 'Welcome';

system/locale/pl/install.php

@@ -20,7 +20,7 @@ $locale['not_loaded'] = 'Nie załadowane';
 $locale['loading_spinner'] = 'Proszę czekać, trwa instalacja...';
 $locale['importing_spinner'] = 'Proszę czekać, trwa importowanie danych...';
 $locale['please_fill_all'] = 'Proszę wypełnić wszystkie pola!';
-$locale['already_installed'] = 'MyAAC został już zainstalowany. Proszę usunąć katalog <b>install/</b>. Jeśli chcesz zainstalować MyAAC od nowa - proszę usuń plik <strong>config.local.php</strong> z katalogu głównego i odśwież stronę.';
+$locale['already_installed'] = 'MyAAC został już zainstalowany. Jeśli chcesz zainstalować MyAAC od nowa - proszę usuń plik <strong>config.local.php</strong> z katalogu głównego i odśwież stronę.';
 
 // welcome
 $locale['step_welcome'] = 'Witamy';

system/locale/pt_br/install.php

@@ -20,7 +20,7 @@ $locale['not_loaded'] = 'Não carregado';
 $locale['loading_spinner'] = 'Por favor aguarde, instalando...';
 $locale['importing_spinner'] = 'Por favor, aguarde, importando dados...';
 $locale['please_fill_all'] = 'Por favor, preencha todas as entradas!';
-$locale['already_installed'] = 'MyAAC já foi instalado. Por favor, apague o diretório <b> install/ <b/>. Se você quiser reinstalar o MyAAC - exclua o arquivo <strong> config.local.php </strong> do diretório principal e atualize a página.';
+$locale['already_installed'] = 'MyAAC já foi instalado. Se você quiser reinstalar o MyAAC - exclua o arquivo <strong> config.local.php </strong> do diretório principal e atualize a página.';
 
 // welcome
 $locale['step_welcome'] = 'Bem vindo';

system/locale/sv/install.php

@@ -18,7 +18,7 @@ $locale['loaded'] = 'Laddad';
 $locale['not_loaded'] = 'Inte Laddad';
 
 $locale['please_fill_all'] = 'Vänligen fyll i allt!';
-$locale['already_installed'] = 'MyAAC är redan installerat. Vänligen ta bort <b>install/<b/> mappen. Om du vill installera MyAAC igen - ta bort filen <strong>config.local.php</strong> från huvudkatalogen och uppdatera sidan.';
+$locale['already_installed'] = 'MyAAC är redan installerat. Om du vill installera MyAAC igen - ta bort filen <strong>config.local.php</strong> från huvudkatalogen och uppdatera sidan.';
 
 // welcome
 $locale['step_welcome'] = 'Välkommen';