Spruce up the Groverhaus silhouettes a bit

4 lat temu · d940baa835
--- a/media/buildings/Houses/Groverhaus-Angled.svg
+++ b/media/buildings/Houses/Groverhaus-Angled.svg
--- a/media/buildings/Houses/Groverhaus-Front.svg
+++ b/media/buildings/Houses/Groverhaus-Front.svg
--- a/media/buildings/Houses/Groverhaus-Side.svg
+++ b/media/buildings/Houses/Groverhaus-Side.svg
--- a/media/buildings/Houses/Groverhaus-Top.svg
+++ b/media/buildings/Houses/Groverhaus-Top.svg