Remove debris assets that are no longer supported by celestrak

data/assets/scene/solarsystem/planets/earth/satellites/debris/debris_asat.asset

@@ -1,21 +0,0 @@
-local shared = asset.require("util/tle_helper")
-
-local group = {
-  Title = "Indian ASAT test Debris",
-  Url = "http://www.celestrak.com/NORAD/elements/2019-006.txt",
-  TrailColor = { 0.25, 0.35, 0.45 }
-}
-
-local tle = shared.downloadTLEFile(asset, group.Url, group.Title)
-shared.registerSatelliteGroupObjects(asset, group, tle, true)
-
-
-asset.meta = {
-  Name = "Satellites Debris - Indian ASAT test Debris",
-  Version = "1.0",
-  Description = [[ Satellites asset for Debris - Indian ASAT test Debris. Data from 
-  Celestrak]],
-  Author = "OpenSpace Team",
-  URL = "https://celestrak.com/NORAD/elements/",
-  License = "Celestrak"
-}

data/assets/scene/solarsystem/planets/earth/satellites/debris/debris_breezem.asset

@@ -1,21 +0,0 @@
-local shared = asset.require("util/tle_helper")
-
-local group = {
-  Title = "Breeze-M Breakup",
-  Url = "http://www.celestrak.com/NORAD/elements/2012-044.txt",
-  TrailColor = { 0.25, 0.35, 0.45 }
-}
-
-local tle = shared.downloadTLEFile(asset, group.Url, group.Title)
-shared.registerSatelliteGroupObjects(asset, group, tle, true)
-
-
-asset.meta = {
-  Name = "Satellites Debris - Breeze-M Breakup",
-  Version = "1.0",
-  Description = [[ Satellites asset for Debris - Breeze-M Breakup. Data from 
-  Celestrak]],
-  Author = "OpenSpace Team",
-  URL = "https://celestrak.com/events/38746-Breakup/",
-  License = "Celestrak"
-}

data/assets/scene/solarsystem/planets/earth/satellites/satellites_debris.asset

@@ -1,5 +1,3 @@
-asset.require("./debris/debris_asat")
-asset.require("./debris/debris_breezem")
 asset.require("./debris/debris_fengyun")
 asset.require("./debris/debris_iridium33")
 asset.require("./debris/debris_kosmos2251")