Small json files fixes (#30907)

Small json fixes

Resources/Textures/Interface/Default/meta.json: trailing comma
Resources/Textures/Objects/Specific/Hydroponics/attribution.json: proper json
Resources/Textures/Tiles/Planet/Snow/meta.json: trailing commas

Resources/Textures/Interface/Default/meta.json

@@ -8,7 +8,7 @@
   "copyright": "Taken from https://github.com/goonstation/goonstation at commit e77d85d9c1d93aa32da7702737ceeac2b56738ac, slightly modified by PixelTK",
   "states": [
       {
-        "name": "back",
+        "name": "back"
       },
       {
         "name": "belt"

Resources/Textures/Objects/Specific/Hydroponics/attribution.json

@@ -1 +1,3 @@
-"copyright": "Seeds redone by Alekshhh. I couldn't be fucked to change each meta in each seed folder",
+{
+    "copyright": "Seeds redone by Alekshhh. I couldn't be fucked to change each meta in each seed folder"
+}

Resources/Textures/Tiles/Planet/Snow/meta.json

@@ -9,31 +9,31 @@
       "name": "snow"
     },
     {
-      "name": "snow_double_edge_south",
+      "name": "snow_double_edge_south"
     },
     {
-      "name": "snow_double_edge_east",
+      "name": "snow_double_edge_east"
     },
     {
-      "name": "snow_double_edge_north",
+      "name": "snow_double_edge_north"
     },
     {
-      "name": "snow_double_edge_west",
+      "name": "snow_double_edge_west"
     },
     {
       "name": "snow_dug"
     },
     {
-      "name": "snow_dug_double_edge_south",
+      "name": "snow_dug_double_edge_south"
     },
     {
-      "name": "snow_dug_double_edge_east",
+      "name": "snow_dug_double_edge_east"
     },
     {
-      "name": "snow_dug_double_edge_north",
+      "name": "snow_dug_double_edge_north"
     },
     {
-      "name": "snow_dug_double_edge_west",
+      "name": "snow_dug_double_edge_west"
     },
     {
       "name": "plating"
@@ -84,4 +84,4 @@
       "name": "permafrost"
     }
   ]
-}
+}