Modifie l'url et supprime les branches de plusieurs sous-modules

bakedclay, banners, biome_lib, bitchange, bobblocks, bonemeal,
boost_cart, broomstick

.gitmodules

@@ -7,35 +7,27 @@
 [submodule "bakedclay"]
 	path = bakedclay
 	url = https://sys4.fr/gitea/nalc/bakedclay.git
-	branch = nalc
 [submodule "banners"]
 	path = banners
 	url = https://sys4.fr/gitea/nalc/banners.git
-	branch = nalc
 [submodule "biome_lib"]
 	path = biome_lib
-	url = https://sys4.fr/gitea/nalc/biome_lib.git
-	branch = nalc
+	url = https://sys4.fr/gitea/mtcontrib/biome_lib.git
 [submodule "bitchange"]
 	path = bitchange
-	url = https://sys4.fr/gitea/nalc/bitchange.git
-	branch = nalc
+	url = https://sys4.fr/gitea/mtcontrib/bitchange.git
 [submodule "bobblocks"]
 	path = bobblocks
-	url = https://sys4.fr/gitea/nalc/BobBlocks.git
-	branch = nalc
+	url = https://sys4.fr/gitea/minetest-mods/BobBlocks.git
 [submodule "bonemeal"]
 	path = bonemeal
-	url = https://sys4.fr/gitea/nalc/bonemeal.git
-	branch = nalc
+	url = https://sys4.fr/gitea/mtcontrib/bonemeal.git
 [submodule "boost_cart"]
 	path = boost_cart
-	url = https://sys4.fr/gitea/nalc/boost_cart.git
-	branch = nalc
+	url = https://sys4.fr/gitea/mtcontrib/boost_cart.git
 [submodule "broomstick"]
 	path = broomstick
 	url = https://sys4.fr/gitea/nalc/broomstick.git
-	branch = nalc
 [submodule "chesttools"]
 	path = chesttools
 	url = https://sys4.fr/gitea/nalc/chesttools.git