chore: rename stt to DepricatedSom

TICKET: WIN-6703

Author: rohitsaw115

modules/sdk-coin-stt/test/unit/stt.ts

@@ -18,7 +18,7 @@ describe('stt', function () {
       stt.should.be.an.instanceof(Stt);
       stt.getChain().should.equal('stt');
       stt.getFamily().should.equal('stt');
-      stt.getFullName().should.equal('Somnia');
+      stt.getFullName().should.equal('DepricatedSom');
       stt.getBaseFactor().should.equal(1e18);
       stt.supportsTss().should.equal(true);
       stt.allowsAccountConsolidations().should.equal(false);

modules/statics/src/coins.ts

@@ -1711,7 +1711,7 @@ export const coins = CoinMap.fromCoins([
   account(
     '87c104ca-6b49-479e-87fb-9253b095158c',
     'stt',
-    'Somnia',
+    'DepricatedSom',
     Networks.main.stt,
     18,
     UnderlyingAsset.STT,