remove unused file

Author: Divyanshu singh

package.json

@@ -53,6 +53,7 @@
     "command-line-args": "^6.0.1",
     "command-line-usage": "^7.0.1",
     "flatbuffers": "^25.1.24",
+    "is-relative": "1.0.0",
     "json-bignum": "^0.0.3",
     "tslib": "^2.6.2"
   },