[librsvg] Ahem, forgot to babysit Makefile.am

[Federico Mena Quintero <federico src gnome org>]

commit eaa99fd0012c78232a8ce1becd9e8a0274405353
Author: Federico Mena Quintero <federico gnome org>
Date:   Wed Jan 8 10:08:52 2020 -0600

    Ahem, forgot to babysit Makefile.am

 Makefile.am | 1 -
 1 file changed, 1 deletion(-)
---
diff --git a/Makefile.am b/Makefile.am
index 3e0164ee..36cf4abe 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -103,7 +103,6 @@ LIBRSVG_INTERNALS_SRC =                                             \
 
 LIBRSVG_CRATE_SRC =                                            \
        librsvg_crate/Cargo.toml                                \
-       librsvg_crate/build.rs                                  \
        librsvg_crate/example.svg                               \
        librsvg_crate/examples/proportional.rs                  \
        librsvg_crate/src/lib.rs                                \