Revert ""brew install sbt" necessary with macos-latest now"

This reverts commit 17b2b26.

.github/workflows/ci.yml

@@ -70,10 +70,6 @@ jobs:
       - name: Setup sbt
         uses: sbt/setup-sbt@v1
 
-      - name: Install sbt
-        if: matrix.os == 'macos-latest'
-        run: brew install sbt
-
       - name: Setup git
         run: |
           git config --global init.defaultBranch main

build.sbt

@@ -98,19 +98,8 @@ ThisBuild / githubWorkflowJavaVersions := Seq(
 ThisBuild / githubWorkflowBuildMatrixExclusions +=
   MatrixExclude(Map("java" -> "temurin@8", "os" -> "macos-latest"))
 
-// GitHub Actions macOS 13+ runner images do not come with sbt preinstalled anymore
-ThisBuild / githubWorkflowBuildPreamble ++= Seq(
-  WorkflowStep.Run(
-    commands = List(
-      "brew install sbt"
-    ),
-    cond = Some("matrix.os == 'macos-latest'"),
-    name = Some("Install sbt")
-  )
-)
-
 // Necessary to setup git so that sbt-scripted tests can run on github actions
-ThisBuild / githubWorkflowBuildPreamble ++= Seq(
+ThisBuild / githubWorkflowBuildPreamble := Seq(
   WorkflowStep.Run(
     commands = List(
       "git config --global init.defaultBranch main",