Revert "fix(ts): xtrim threshold accepts string (#2828)"

This reverts commit 7d905c0.

Author: nkaradzhov

packages/client/lib/commands/XTRIM.spec.ts

@@ -38,13 +38,6 @@ describe('XTRIM', () => {
         ['XTRIM', 'key', 'MAXLEN', '=', '1', 'LIMIT', '1']
       );
     });
-
-    it('with MINID', () => {
-      assert.deepEqual(
-        XTRIM.transformArguments('key', 'MINID', '0-0'),
-        ['XTRIM', 'key', 'MINID', '0-0']
-      );
-    });
   });
 
   testUtils.testAll('xTrim', async client => {

packages/client/lib/commands/XTRIM.ts

@@ -12,7 +12,7 @@ export default {
   transformArguments(
     key: RedisArgument,
     strategy: 'MAXLEN' | 'MINID',
-    threshold: number | string,
+    threshold: number,
     options?: XTrimOptions
   ) {
     const args = ['XTRIM', key, strategy];