chore(ci): Remove left over references to the changelog

CONTRIBUTING.md

@@ -10,7 +10,7 @@ There are a couple of things we are going to look out for in PRs and knowing the
    Make sure `just fmt` and `just lint` both finish without any warnings or errors on every commit.
    - If you don't already have `just` installed, you can obtain it by calling `cargo install just`.
    - If you don't already have `dprint` installed (utility used for code formatting), you can obtain it [here](https://dprint.dev/install/).
-2. All text documents (`CHANGELOG.md`, `README.md`, etc) should follow the [semantic linebreaks](https://sembr.org/) specification.
+2. All text documents (`README.md`, etc) should follow the [semantic linebreaks](https://sembr.org/) specification.
 3. We strive for atomic commits with good commit messages.
    As an inspiration, read [this](https://chris.beams.io/posts/git-commit/) blogpost.
    An atomic commit is a cohesive diff with formatting checks, linter and build passing.

mobile/android/fastlane/Fastfile

@@ -7,7 +7,6 @@ platform :android do
 
   desc "Submit a new build to google play store our internal testers"
   lane :internal do
-    changelog = File.read("../../../CHANGELOG.md")
     upload_to_play_store(
         track: 'internal',
         aab: "../build/app/outputs/bundle/#{APP_SCHEME}Release/app-#{APP_SCHEME}-release.aab",
@@ -19,7 +18,6 @@ platform :android do
 
   desc "Submit a new build to google play store for our alpha testers"
   lane :alpha do
-    changelog = File.read("../../../CHANGELOG.md")
     upload_to_play_store(
         track: 'alpha',
         aab: "../build/app/outputs/bundle/#{APP_SCHEME}Release/app-#{APP_SCHEME}-release.aab",