add --no-tags option when running native git fetch - if we need tags,…

… they will be present in the refspec and thus fetched - otherwise, when tags are disabled, unnecessary tags pointing to all fetched commts are fetched

git-server/src/jetbrains/buildServer/buildTriggers/vcs/git/command/NativeGitCommands.java

@@ -64,6 +64,7 @@ public void fetch(@NotNull Repository db, @NotNull URIish fetchURI, @NotNull Col
     final jetbrains.buildServer.buildTriggers.vcs.git.command.FetchCommand fetch =
       gitFacade.fetch()
                .setRemote(fetchURI.toString())
+               .setFetchTags(false)
                .setAuthSettings(settings.getAuthSettings()).setUseNativeSsh(true)
                .setTimeout(myConfig.getFetchTimeout())
                .setRetryAttempts(myConfig.getConnectionRetryAttempts())