fix title name issue (#6)

_config.yml

@@ -18,7 +18,7 @@
 # You can create any custom variable you would like, and they will be accessible
 # in the templates via {{ site.myvariable }}.
 
-title: Apache Gluten(incubating)
+title: Apache Gluten incubating
 email: weitingchen@apache.org
 description: luten is a middle layer responsible for offloading JVM-based SQL engines' execution to native engines. # this means to ignore newlines until "baseurl:"
   Write an awesome description for your new site here. You can edit this