[niepce] rust: remove keyword.{hpp,cpp}

[Hubert Figuière <hub src gnome org>]

commit 6d19cba7ad1e60d16984704222819aed52d30cec
Author: Hubert Figuière <hub figuiere net>
Date:   Sat Oct 21 00:51:29 2017 -0400

    rust: remove keyword.{hpp,cpp}

 src/engine/Makefile.am    |    1 -
 src/engine/db/keyword.cpp |   33 ---------------------------------
 src/engine/db/keyword.hpp |   41 -----------------------------------------
 3 files changed, 0 insertions(+), 75 deletions(-)
---
diff --git a/src/engine/Makefile.am b/src/engine/Makefile.am
index 830a903..e232e07 100644
--- a/src/engine/Makefile.am
+++ b/src/engine/Makefile.am
@@ -23,7 +23,6 @@ libniepceengine_a_SOURCES = \
        db/libfolder.hpp db/libfolder.cpp \
        db/label.hpp db/label.cpp \
        db/libmetadata.hpp db/libmetadata.cpp \
-       db/keyword.hpp db/keyword.cpp \
        db/storage.hpp \
        db/fsfile.hpp \
        db/metadata.hpp \