[gnome-builder] build: ignore plugin helper for python plugins

[Christian Hergert <chergert src gnome org>]

commit 1e75f9837bd1f002a4d4ccb3163882182a737225
Author: Christian Hergert <christian hergert me>
Date:   Sun Sep 6 17:51:53 2015 -0700

    build: ignore plugin helper for python plugins
    
    We don't actually need this to get make distcheck to pass. But I'd prefer
    we find a way to bundle everything up nicely long term.

 plugins/html-preview/Makefile.am                 |    2 --
 plugins/jedi/Makefile.am                         |    2 --
 plugins/python-gi-imports-completion/Makefile.am |    2 --
 3 files changed, 0 insertions(+), 6 deletions(-)
---
diff --git a/plugins/html-preview/Makefile.am b/plugins/html-preview/Makefile.am
index 73b16ee..e0e41bd 100644
--- a/plugins/html-preview/Makefile.am
+++ b/plugins/html-preview/Makefile.am
@@ -22,5 +22,3 @@ endif
 GITIGNOREFILES = html_preview_plugin/__pycache__
 
 -include $(top_srcdir)/git.mk
-
-include $(top_srcdir)/plugins/Makefile.plugin
diff --git a/plugins/jedi/Makefile.am b/plugins/jedi/Makefile.am
index 996a068..6fde596 100644
--- a/plugins/jedi/Makefile.am
+++ b/plugins/jedi/Makefile.am
@@ -8,5 +8,3 @@ dist_plugin_DATA = \
 GITIGNOREFILES = __pycache__
 
 -include $(top_srcdir)/git.mk
-
-include $(top_srcdir)/plugins/Makefile.plugin
diff --git a/plugins/python-gi-imports-completion/Makefile.am 
b/plugins/python-gi-imports-completion/Makefile.am
index 2889308..5d5136e 100644
--- a/plugins/python-gi-imports-completion/Makefile.am
+++ b/plugins/python-gi-imports-completion/Makefile.am
@@ -8,5 +8,3 @@ dist_plugin_DATA = \
 GITIGNOREFILES = __pycache__
 
 -include $(top_srcdir)/git.mk
-
-include $(top_srcdir)/plugins/Makefile.plugin