Remove 'Script As Alter' command and don't show for table nodes (#24352)

extensions/mssql/package.json

@@ -31,10 +31,6 @@
       }
     ],
     "commands": [
-      {
-        "command": "objectExplorer.scriptAsAlter",
-        "title": "Script as Alter"
-      },
       {
         "command": "mssql.exportSqlAsNotebook",
         "title": "%mssql.exportSqlAsNotebook%"
@@ -541,11 +537,6 @@
         }
       ],
       "objectExplorer/item/context": [
-        {
-          "command": "objectExplorer.scriptAsAlter",
-          "when": "nodeType == Table",
-          "group": "0_query@5"
-        },
         {
           "command": "mssql.designTable",
           "when": "connectionProvider == MSSQL && nodeType == Table && nodeSubType != LedgerDropped",