[meta] clean up scripts

Author: ljharb

package.json

@@ -5,9 +5,10 @@
   "browser": "browser.js",
   "main": "index.js",
   "scripts": {
-    "standard": "standard",
-    "test": "npm run-script standard && npm run-script unit",
-    "unit": "node test.js | tspec"
+    "pretest": "standard",
+    "test": "npm run tests-only",
+    "tests-only": "tape test.js",
+    "posttest": "npx npm@'>=10.2' audit --production"
   },
   "repository": {
     "type": "git",
@@ -22,18 +23,17 @@
     "url": "https://github.com/crypto-browserify/createHash/issues"
   },
   "homepage": "https://github.com/crypto-browserify/createHash",
-  "devDependencies": {
-    "hash-test-vectors": "^1.3.2",
-    "safe-buffer": "^5.0.1",
-    "standard": "^10.0.2",
-    "tap-spec": "^2.1.2",
-    "tape": "^4.6.3"
-  },
   "dependencies": {
     "cipher-base": "^1.0.1",
     "inherits": "^2.0.1",
     "md5.js": "^1.3.4",
     "ripemd160": "^2.0.1",
     "sha.js": "^2.4.0"
+  },
+  "devDependencies": {
+    "hash-test-vectors": "^1.3.2",
+    "safe-buffer": "^5.0.1",
+    "standard": "^10.0.2",
+    "tape": "^4.6.3"
   }
 }