backpublish 2.0.0-RC1 for Scala 3.0.0-RC3

Author: SethTisue

Diff for: .travis.yml

@@ -6,23 +6,10 @@ language: scala
 
 scala:
   - 3.0.0-RC3
-  - 3.0.0-RC2
-  - 2.12.13
-  - 2.13.5
 
 env:
   - SCALAJS_VERSION=          ADOPTOPENJDK=8
   - SCALAJS_VERSION=1.5.1     ADOPTOPENJDK=8
-  - SCALANATIVE_VERSION=0.4.0 ADOPTOPENJDK=8
-  - SCALAJS_VERSION=          ADOPTOPENJDK=11
-  - SCALAJS_VERSION=          ADOPTOPENJDK=16
-
-jobs:
-  exclude:
-    - scala: 3.0.0-RC2
-      env: SCALANATIVE_VERSION=0.4.0 ADOPTOPENJDK=8
-    - scala: 3.0.0-RC3
-      env: SCALANATIVE_VERSION=0.4.0 ADOPTOPENJDK=8
 
 install:
   - git fetch --tags # get all tags for sbt-dynver