build: correctly remove prepare script from build package (#2432)

This was changed in 082dd8e#diff-7ae45ad102eab3b6d7e7896acd08c427a9b25b346470d7bc6507b6481575d519L6

Author: alan-agius4

package.bzl

@@ -8,7 +8,7 @@ noStampSubstitutions = dict(stampSubstitutions, **{})
 
 basePackageSubstitutions = {
     "(#|//)\\s+BEGIN-DEV-ONLY[\\w\\W]+?(#|//)\\s+END-DEV-ONLY": "",
-    "    \"prepare\": \"husky install\",\n": "",
+    "    \"prepare\": \"husky\",\n": "",
     "@dev-infra//bazel/": "@npm//@angular/build-tooling/bazel/",
     "rlocation \"dev-infra/": "rlocation \"npm/@angular/build-tooling/",
     "//bazel/": "@npm//@angular/build-tooling/bazel/",