Remove zinc-compile module

JavaDoc caching doesn't need to be implemented in Zinc.

Author: eed3si9n

build.sbt

@@ -145,7 +145,6 @@ lazy val aggregated: Seq[ProjectReference] = compilerInterface.projectRefs ++
   zincClasspath.projectRefs ++
   zincClassfile.projectRefs ++
   zincCompileCore.projectRefs ++
-  zincCompile.projectRefs ++
   zincCore.projectRefs ++
   zincPersist.projectRefs ++
   Seq(zincPersistCore: ProjectReference) ++
@@ -239,22 +238,6 @@ lazy val zincTesting = (projectMatrix in internalPath / "zinc-testing")
   .jvmPlatform(scalaVersions = scala3_only)
   .configure(addSbtIO, addSbtUtilLogging)
 
-lazy val zincCompile = (projectMatrix in zincRootPath / "zinc-compile")
-  .dependsOn(zincCompileCore, zincCompileCore % "test->test")
-  .settings(
-    name := "zinc Compile",
-    mimaSettings,
-    mimaBinaryIssueFilters ++= Seq(
-      exclude[IncompatibleSignatureProblem]("sbt.inc.Doc*"),
-      exclude[IncompatibleResultTypeProblem]("sbt.inc.Doc*"),
-      exclude[IncompatibleMethTypeProblem]("sbt.inc.Doc*"),
-      exclude[DirectMissingMethodProblem]("sbt.inc.Doc*"),
-      exclude[ReversedMissingMethodProblem]("sbt.inc.Doc*"),
-    ),
-  )
-  .jvmPlatform(scalaVersions = scala3_only)
-  .configure(addBaseSettingsAndTestDeps, addSbtUtilTracking)
-
 // Persists the incremental data structures using Protobuf
 lazy val zincPersist = (projectMatrix in internalPath / "zinc-persist")
   .dependsOn(zincCore, zincCompileCore, zincPersistCoreAssembly, zincCore % "test->test")

internal/zinc-classfile/src/test/scala/sbt/internal/inc/classfile/JavaCompilerForUnitTesting.scala

@@ -31,6 +31,7 @@ import scala.collection.JavaConverters._
 object JavaCompilerForUnitTesting {
   private class TestVirtualFile(p: Path) extends BasicVirtualFileRef(p.toString) with VirtualFile {
     override def contentHash(): Long = sbt.io.Hash(p.toFile).hashCode.toLong
+    override lazy val contentHashStr: String = contentHash().toHexString
     override def input(): InputStream = Files.newInputStream(p)
   }