Remove repo hash from versions.txt

rust-bindings/rust/Makefile

@@ -12,7 +12,9 @@ target/tools/bin/gir:
 
 gir: target/tools/bin/gir
 	target/tools/bin/gir -c conf/ostree-sys.toml
+	sed -i '/^from gir-files/d' sys/src/auto/versions.txt
 	target/tools/bin/gir -c conf/ostree.toml
+	sed -i '/^from gir-files/d' src/auto/versions.txt
 
 gir-report: gir
 	target/tools/bin/gir -c conf/ostree.toml -m not_bound

rust-bindings/rust/src/auto/versions.txt

@@ -1,2 +1 @@
 Generated by gir (https://github.com/gtk-rs/gir @ d1e88f9)
-from gir-files (https://github.com/gtk-rs/gir-files @ a25ce65+)

rust-bindings/rust/sys/src/auto/versions.txt

@@ -1,2 +1 @@
 Generated by gir (https://github.com/gtk-rs/gir @ d1e88f9)
-from gir-files (https://github.com/gtk-rs/gir-files @ a25ce65+)