🤖 Merge PR DefinitelyTyped#73415 node: remove TS 5.1 support by @Renegade334

Author: Renegade334

types/node/package.json

@@ -10,9 +10,6 @@
     "tsconfigs": ["tsconfig.dom.json", "tsconfig.non-dom.json", "tsconfig.webworker.json"],
     "types": "index",
     "typesVersions": {
-        "<=5.1": {
-            "*": ["ts5.1/*"]
-        },
         "<=5.6": {
             "*": ["ts5.6/*"]
         },