.eslintrc.json: remove duplicate key "require-jsdoc"

Change-Id: Iab11cc695c411cc1fade5ff90f661a816c1b06af

.eslintrc.json

diff --git a/.eslintrc.json b/.eslintrc.json
index a43acc6..6d9ae7c 100644
--- a/.eslintrc.json
+++ b/.eslintrc.json
@@ -91,7 +91,6 @@
     "prefer-const": "error",
     "prefer-spread": "error",
     "quote-props": ["error", "consistent-as-needed"],
-    "require-jsdoc": "off",
     "semi": [2, "always"],
     "template-curly-spacing": "error",
     "valid-jsdoc": "off",