move haskell-gi packages to @garetxe

See
https://github.com/haskell-gi/haskell-gi/issues/30#issuecomment-221065981
for ack

build-constraints.yaml

@@ -935,18 +935,6 @@ packages:
         - webkitgtk3 < 0.14.2.0
         - webkitgtk3-javascriptcore < 0.13.2.0
 
-        # haskell-gi:
-        - gi-atk
-        - gi-cairo
-        - gi-gdk
-        - gi-gdkpixbuf
-        - gi-gio
-        - gi-glib
-        - gi-gobject
-        - gi-gtk
-        - gi-pango
-        - haskell-gi
-        
     "Renzo Carbonara renzocarbonara@gmail.com @k0001":
         - network-simple
         - pipes-aeson
@@ -2195,9 +2183,22 @@ packages:
 
     "David Reaver <johndreaver@gmail.com> @jdreaver":
         - stratosphere
+
     "Alexey Rodiontsev <alex.rodiontsev@gmail.com> @klappvisor":
         - telegram-api
 
+    "Iñaki García Etxebarria <garetxe@gmail.com> @garetxe":
+        - gi-atk
+        - gi-cairo
+        - gi-gdk
+        - gi-gdkpixbuf
+        - gi-gio
+        - gi-glib
+        - gi-gobject
+        - gi-gtk
+        - gi-pango
+        - haskell-gi
+
     # If you stop maintaining a package you can move it here.
     # It will then be disabled if it starts causing problems.
     # See https://github.com/fpco/stackage/issues/1056