Remove debug messaging that isn't needed with the drag-n-drop field behavior

Templates/BaseGame/game/tools/assetBrowser/scripts/assetTypes/image.tscript

@@ -342,7 +342,6 @@ function GuiInspectorTypeImageAssetPtr::onControlDropped( %this, %payload, %posi
    if(%assetType $= "ImageAsset")
    {
       %cmd = %this @ ".apply(\""@ %module @ ":" @ %assetName @ "\");";
-      echo("Changing asset via the " @ %cmd @ " command");
       eval(%cmd);
    }
    

Templates/BaseGame/game/tools/assetBrowser/scripts/assetTypes/material.tscript

@@ -595,7 +595,6 @@ function GuiInspectorTypeMaterialAssetPtr::onControlDropped( %this, %payload, %p
    if(%assetType $= "MaterialAsset")
    {
       %cmd = %this @ ".apply(\""@ %module @ ":" @ %assetName @ "\");";
-      echo("Changing asset via the " @ %cmd @ " command");
       eval(%cmd);
    }
    

Templates/BaseGame/game/tools/assetBrowser/scripts/assetTypes/shape.tscript

@@ -417,7 +417,6 @@ function GuiInspectorTypeShapeAssetPtr::onControlDropped( %this, %payload, %posi
    if(%assetType $= "ShapeAsset")
    {
       %cmd = %this @ ".apply(\""@ %module @ ":" @ %assetName @ "\");";
-      echo("Changing asset via the " @ %cmd @ " command");
       eval(%cmd);
    }