Revert "no previous M2 artifact to compare against"

This reverts commit 8dbc9b0.

Author: SethTisue

build.sbt

@@ -23,7 +23,7 @@ lazy val `scala-parser-combinators` = crossProject(JSPlatform, JVMPlatform, Nati
   settings(
     name := "scala-parser-combinators",
     version := "1.0.7-SNAPSHOT",
-    mimaPreviousVersion := None,   // Some("1.0.5"),
+    mimaPreviousVersion := Some("1.0.5"),
 
     apiMappings += (scalaInstance.value.libraryJar ->
         url(s"https://www.scala-lang.org/api/${scalaVersion.value}/")),