Remove the Indian anti-satellite debris asset as the last of its known debris has reentered the atmosphere (closes #3529)

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

@@ -1,55 +0,0 @@
-local transforms = asset.require("scene/solarsystem/planets/earth/transforms")
-
-
-
-local omm = asset.resource({
-  Name = "Satellite OMM Data (Indian ASAT test Debris)",
-  Type = "UrlSynchronization",
-  Identifier = "satellite_omm_data_2019-006",
-  Url = "https://www.celestrak.com/NORAD/elements/gp.php?INTDES=2019-006&FORMAT=kvn",
-  Filename = "2019-006.txt",
-  SecondsUntilResync = openspace.time.secondsPerDay()
-})
-
-
-local DebrisAsat = {
-  Identifier = "DebrisAsat-2019-006",
-  Parent = transforms.EarthInertial.Identifier,
-  Renderable = {
-    Type = "RenderableOrbitalKepler",
-    Path = omm .. "2019-006.txt",
-    Format = "OMM",
-    SegmentQuality = 3,
-    Color = { 0.25, 0.35, 0.45 },
-    TrailFade = 15,
-    PointSizeExponent = 5.0,
-    RenderBinMode = "PostDeferredTransparent"
-  },
-  Tag = { "earth_satellites" },
-  GUI = {
-    Name = "Indian ASAT test Debris",
-    Path = "/Solar System/Planets/Earth/Satellites"
-  }
-}
-
-
-asset.onInitialize(function()
-  openspace.addSceneGraphNode(DebrisAsat)
-end)
-
-asset.onDeinitialize(function()
-  openspace.removeSceneGraphNode(DebrisAsat)
-end)
-
-asset.export(DebrisAsat)
-
-
-
-asset.meta = {
-  Name = "Satellites Debris - Indian ASAT test Debris",
-  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/satellites_debris.asset

@@ -1,4 +1,3 @@
-asset.require("./debris/debris_asat")
 asset.require("./debris/debris_breezem")
 asset.require("./debris/debris_fengyun")
 asset.require("./debris/debris_iridium33")