Remove OPENSSL_ENABLE_SHA1_SIGNATURES=1 as it is not required anymore

 Close #1323

Author: vm-orbit

package.json

@@ -35,7 +35,7 @@
     "format": "prettier --write .",
     "format:check": "prettier --check .",
     "toc": "./node_modules/.bin/doctoc Readme.md --github --maxlevel 3",
-    "cover": "OPENSSL_ENABLE_SHA1_SIGNATURES=1 nyc --extension=.ts --reporter=lcov --reporter=html --reporter=text mocha --no-parallel --timeout 30000 --exit test/*-test.js test/security/*.js",
+    "cover": "nyc --extension=.ts --reporter=lcov --reporter=html --reporter=text mocha --no-parallel --timeout 30000 --exit test/*-test.js test/security/*.js",
     "coveralls": "cat ./coverage/lcov.info | ./node_modules/coveralls/bin/coveralls.js -v",
     "docs": "typedoc --out docs",
     "test": "mocha --timeout 15000 --bail --exit test/*-test.js test/security/*.js"