Minor polishing

src/main/java/at/ac/uibk/gitsearch/service/PluginManagementService.java

@@ -2,7 +2,6 @@ package at.ac.uibk.gitsearch.service;
 
 import java.net.URI;
 import java.net.URISyntaxException;
-import java.net.URLEncoder;
 import java.nio.charset.Charset;
 import java.util.Collection;
 import java.util.Collections;
@@ -53,13 +52,11 @@ import at.ac.uibk.gitsearch.service.dto.SearchResultDTO.PluginActionInfo;
 public class PluginManagementService {
 
 	private static final String API_BASE_URL_PARAM = "apiBaseUrl";
-
-	private static final String ACCESS_TOKEN_PARAM = "accessToken";
+	private static final String INSTALLATION_NAME_PARAM = "installationName";
 
 	private final Map<RegisteredPlugin, Exception> configFailures = new HashMap<>();
 
 	private final class PluginCheckTimer extends TimerTask {
-		private static final String INSTALLATION_NAME_PARAM = "installationName";
 		private final RegisteredPlugin registeredPlugin;
 		
 		private PluginCheckTimer(RegisteredPlugin registeredPlugin) {

src/main/java/at/ac/uibk/gitsearch/web/rest/PluginInterfaceResource.java

@@ -6,7 +6,6 @@ import java.io.InputStream;
 import org.codeability.sharing.plugins.api.ShoppingBasket;
 import org.gitlab4j.api.GitLabApiException;
 import org.mapstruct.Mapper;
-import org.mapstruct.Mapping;
 import org.mapstruct.factory.Mappers;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;