re-enable "-Xsource:3"

Author: satorg

build.sbt

@@ -142,7 +142,7 @@ lazy val algebra = crossProject(JSPlatform, JVMPlatform, NativePlatform)
   .crossType(CrossType.Pure)
   .in(file("algebra-core"))
   .dependsOn(kernel)
-  .settings(moduleName := "algebra", name := "Cats algebra", scalacOptions -= "-Xsource:3")
+  .settings(moduleName := "algebra", name := "Cats algebra")
   .settings(Compile / sourceGenerators += (Compile / sourceManaged).map(AlgebraBoilerplate.gen).taskValue)
   .jsSettings(commonJsSettings)
   .jvmSettings(commonJvmSettings)
@@ -157,7 +157,7 @@ lazy val algebra = crossProject(JSPlatform, JVMPlatform, NativePlatform)
 lazy val algebraLaws = crossProject(JSPlatform, JVMPlatform, NativePlatform)
   .in(file("algebra-laws"))
   .dependsOn(kernelLaws, algebra)
-  .settings(moduleName := "algebra-laws", name := "Cats algebra laws", scalacOptions -= "-Xsource:3")
+  .settings(moduleName := "algebra-laws", name := "Cats algebra laws")
   .settings(disciplineDependencies)
   .settings(testingDependencies)
   .jsSettings(commonJsSettings)