it is not needed there because it will get transitively installed by @angular/platform-browser
we only need to declare this dependency in tsconfig.json because tsconfig.json's
do not support transitive dependencies in this way.
* test: add tree-shaking test
currently this doesn't throw or break the build, first we need to resolve all
of the existing issues.
to run execute: ./tools/tree-shaking-test/test.sh
then inspect dist/tree-shaking/test/**/*.bundle.js
* fix(http): remove peerDep on @angular/common
it is not needed there because it will get transitively installed by @angular/platform-browser
we only need to declare this dependency in tsconfig.json because tsconfig.json's
do not support transitive dependencies in this way.