Revert Tether USD for now due to various issues

assets/src/main/resources/META-INF/services/bisq.asset.Asset

@@ -104,8 +104,6 @@ bisq.asset.coins.Spectrecoin
 bisq.asset.coins.Starwels
 bisq.asset.coins.SUB1X
 bisq.asset.coins.TEO
-bisq.asset.coins.TetherUSDLiquid
-bisq.asset.coins.TetherUSDOmni
 bisq.asset.coins.TurtleCoin
 bisq.asset.coins.UnitedCommunityCoin
 bisq.asset.coins.Unobtanium
@@ -125,7 +123,6 @@ bisq.asset.coins.ZeroClassic
 bisq.asset.tokens.AugmintEuro
 bisq.asset.tokens.DaiStablecoin
 bisq.asset.tokens.EtherStone
-bisq.asset.tokens.TetherUSDERC20
 bisq.asset.tokens.TrueUSD
 bisq.asset.tokens.USDCoin
 bisq.asset.tokens.VectorspaceAI

core/src/main/java/bisq/core/provider/price/PriceProvider.java

@@ -70,24 +70,7 @@ public Tuple2<Map<String, Long>, Map<String, MarketPrice>> getAll() throws IOExc
                 final double price = (Double) treeMap.get("price");
                 // json uses double for our timestampSec long value...
                 final long timestampSec = MathUtils.doubleToLong((Double) treeMap.get("timestampSec"));
-
-                // We do not have support for the case of multiChain assets where a common price ticker used for
-                // different flavours of the asset. It would be quite a bit of effort to add generic support to the
-                // asset and tradeCurrency classes and to handle it correctly from their many client classes.
-                // So we decided to hack in the sub-assets as copies of the price and accept the annoyance to see
-                // 3 different prices for the same master asset. But who knows, maybe prices will differ over time for
-                // the sub assets so then we are better prepared that way...
-                if (currencyCode.equals("USDT")) {
-                    addPrice(marketPriceMap, "USDT-O", price, timestampSec);
-                    addPrice(marketPriceMap, "USDT-E", price, timestampSec);
-                    addPrice(marketPriceMap, "L-USDT", price, timestampSec);
-                } else {
-                    // NON_EXISTING_SYMBOL is returned from service for nto found items
-                    // Sometimes it has post fixes as well so we use a 'contains' check.
-                    if (!currencyCode.contains("NON_EXISTING_SYMBOL")) {
-                        addPrice(marketPriceMap, currencyCode, price, timestampSec);
-                    }
-                }
+                marketPriceMap.put(currencyCode, new MarketPrice(currencyCode, price, timestampSec, true));
             } catch (Throwable t) {
                 log.error(t.toString());
                 t.printStackTrace();
@@ -97,13 +80,6 @@ public Tuple2<Map<String, Long>, Map<String, MarketPrice>> getAll() throws IOExc
         return new Tuple2<>(tsMap, marketPriceMap);
     }
 
-    private void addPrice(Map<String, MarketPrice> marketPriceMap,
-                          String currencyCode,
-                          double price,
-                          long timestampSec) {
-        marketPriceMap.put(currencyCode, new MarketPrice(currencyCode, price, timestampSec, true));
-    }
-
     public String getBaseUrl() {
         return httpClient.getBaseUrl();
     }