remove unused services and fix double plugin loading

plugins/scm-git-plugin/src/main/resources/META-INF/services/sonia.scm.web.ScmWebPlugin

@@ -1 +0,0 @@
-sonia.scm.web.GitWebPlugin

plugins/scm-hg-plugin/src/main/resources/META-INF/services/sonia.scm.web.ScmWebPlugin

@@ -1 +0,0 @@
-sonia.scm.web.HgWebPlugin

scm-webapp/src/main/java/sonia/scm/ContextListener.java

@@ -18,7 +18,6 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import sonia.scm.repository.RepositoryManager;
-import sonia.scm.util.ServiceUtil;
 import sonia.scm.util.Util;
 import sonia.scm.web.plugin.SCMPlugin;
 import sonia.scm.web.plugin.SCMPluginManager;
@@ -127,7 +126,7 @@ public class ContextListener extends GuiceServletContextListener
   {
     List<Module> modules = new ArrayList<Module>();
 
-    modules.add(new ScmServletModule(webPluginContext));
+    modules.add(new ScmServletModule(pluginManager, webPluginContext));
 
     Collection<Module> pluginModules = webPluginContext.getInjectModules();
 

scm-webapp/src/main/java/sonia/scm/ScmServletModule.java

@@ -99,10 +99,14 @@ public class ScmServletModule extends ServletModule
    * Constructs ...
    *
    *
+   *
+   * @param pluginManager
    * @param webPluginContext
    */
-  ScmServletModule(ScmWebPluginContext webPluginContext)
+  ScmServletModule(SCMPluginManager pluginManager,
+                   ScmWebPluginContext webPluginContext)
   {
+    this.pluginManager = pluginManager;
     this.webPluginContext = webPluginContext;
   }
 
@@ -121,18 +125,6 @@ public class ScmServletModule extends ServletModule
     bind(EncryptionHandler.class).to(MessageDigestEncryptionHandler.class);
     bind(Authenticator.class).to(XmlAuthenticator.class);
     bind(SecurityContext.class).to(BasicSecurityContext.class);
-
-    SCMPluginManager pluginManager = new SCMPluginManager();
-
-    try
-    {
-      pluginManager.load();
-    }
-    catch (IOException ex)
-    {
-      logger.error(ex.getMessage(), ex);
-    }
-
     loadPlugins(pluginManager);
     bind(CacheManager.class).to(EhCacheManager.class);
     bind(RepositoryManager.class).annotatedWith(Undecorated.class).to(
@@ -229,6 +221,9 @@ public class ScmServletModule extends ServletModule
 
   //~--- fields ---------------------------------------------------------------
 
+  /** Field description */
+  private SCMPluginManager pluginManager;
+
   /** Field description */
   private ScmWebPluginContext webPluginContext;
 }