[gnome-photos] build: Remove unused source code from the thumbnailer

[Debarshi Ray <debarshir src gnome org>]

commit 86b4fe4763a4e723f1e134e7d0db08fa17a0afcf
Author: Debarshi Ray <debarshir gnome org>
Date:   Wed Oct 3 08:57:59 2018 +0200

    build: Remove unused source code from the thumbnailer
    
    Fallout from e62947cd9c7a8cfc8a040e2111be4b5fc2d71cbf

 src/Makefile.am | 2 --
 src/meson.build | 2 +-
 2 files changed, 1 insertion(+), 3 deletions(-)
---
diff --git a/src/Makefile.am b/src/Makefile.am
index a20a112e..4ce8bd09 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -322,8 +322,6 @@ gnome_photos_thumbnailer_SOURCES = \
        photos-error.h \
        photos-gegl.c \
        photos-gegl.h \
-       photos-glib.c \
-       photos-glib.h \
        photos-jpeg-count.c \
        photos-jpeg-count.h \
        photos-operation-insta-common.h \
diff --git a/src/meson.build b/src/meson.build
index 5a832364..9cb0dd83 100644
--- a/src/meson.build
+++ b/src/meson.build
@@ -2,7 +2,6 @@ common_sources = files(
   'photos-debug.c',
   'photos-error.c',
   'photos-gegl.c',
-  'photos-glib.c',
   'photos-jpeg-count.c',
   'photos-operation-insta-curve.c',
   'photos-operation-insta-filter.c',
@@ -102,6 +101,7 @@ sources = common_sources + files(
   'photos-filterable.c',
   'photos-flickr-item.c',
   'photos-gesture-zoom.c',
+  'photos-glib.c',
   'photos-google-item.c',
   'photos-image-view.c',
   'photos-image-view-helper.c',