Remove jungle grass spread

helptexts.lua

@@ -235,7 +235,7 @@ local export_longdesc = {
 	["default:book"] = S("A book is used to store notes and to make bookshelves."),
 	["default:book_written"] = S("A book is used to store notes and to make bookshelves. Books with text contain notes and can be copied."),
 	["default:grass_1"] = S("Grass can be found in large quantities in open plains. It comes in 5 different sizes but doesn't grow. There's a small chance it turns neighbor dirt blocks into dirt with grass, when they're in sunlight."),
-	["default:junglegrass"] = S("This plant is common in jungles and spreads on dirt with grass blocks."),
+	["default:junglegrass"] = S("This plant is common in jungles."),
 	["default:dry_grass_1"] = S("Dry grass is very common in savannahs and comes in 5 different sizes but doesn't grow. There's a small chance it turns neighbor dirt blocks into dirt with dry grass, when they're in sunlight."),
 	["default:meselamp"] = S("A bright light source powered by mese crystals. It is brighter than a torch."),
 	["default:mese_post_light"] = S("A bright light source powered by mese crystals. This is a more compact version of the mese lamp. It is brighter than a torch."),