Remove ruby21 and ruby22 tests

kokoro/linux/ruby_all/build.sh

@@ -1,17 +0,0 @@
-#!/bin/bash
-#
-# This is the top-level script we give to Kokoro as the entry point for
-# running the "pull request" project:
-#
-# This script selects a specific Dockerfile (for building a Docker image) and
-# a script to run inside that image.  Then we delegate to the general
-# build_and_run_docker.sh script.
-
-# Change to repo root
-cd $(dirname $0)/../../..
-
-export DOCKERFILE_DIR=kokoro/linux/64-bit
-export DOCKER_RUN_SCRIPT=kokoro/linux/pull_request_in_docker.sh
-export OUTPUT_DIR=testoutput
-export TEST_SET="ruby_all"
-./kokoro/linux/build_and_run_docker.sh

kokoro/linux/ruby_all/continuous.cfg

@@ -1,11 +0,0 @@
-# Config file for running tests in Kokoro
-
-# Location of the build script in repository
-build_file: "protobuf/kokoro/linux/ruby_all/build.sh"
-timeout_mins: 120
-
-action {
-  define_artifacts {
-    regex: "**/sponge_log.xml"
-  }
-}

kokoro/linux/ruby_all/presubmit.cfg

@@ -1,11 +0,0 @@
-# Config file for running tests in Kokoro
-
-# Location of the build script in repository
-build_file: "protobuf/kokoro/linux/ruby_all/build.sh"
-timeout_mins: 120
-
-action {
-  define_artifacts {
-    regex: "**/sponge_log.xml"
-  }
-}

kokoro/macos/ruby21/build.sh

@@ -1,11 +0,0 @@
-#!/bin/bash
-#
-# Build file to set up and run tests
-
-# Change to repo root
-cd $(dirname $0)/../../..
-
-# Prepare worker environment to run tests
-source kokoro/macos/prepare_build_macos_rc
-
-./tests.sh ruby21

kokoro/macos/ruby21/continuous.cfg

@@ -1,5 +0,0 @@
-# Config file for running tests in Kokoro
-
-# Location of the build script in repository
-build_file: "protobuf/kokoro/macos/ruby21/build.sh"
-timeout_mins: 1440

kokoro/macos/ruby21/presubmit.cfg

@@ -1,5 +0,0 @@
-# Config file for running tests in Kokoro
-
-# Location of the build script in repository
-build_file: "protobuf/kokoro/macos/ruby21/build.sh"
-timeout_mins: 1440

kokoro/macos/ruby22/build.sh

@@ -1,11 +0,0 @@
-#!/bin/bash
-#
-# Build file to set up and run tests
-
-# Change to repo root
-cd $(dirname $0)/../../..
-
-# Prepare worker environment to run tests
-source kokoro/macos/prepare_build_macos_rc
-
-./tests.sh ruby22

kokoro/macos/ruby22/continuous.cfg

@@ -1,5 +0,0 @@
-# Config file for running tests in Kokoro
-
-# Location of the build script in repository
-build_file: "protobuf/kokoro/macos/ruby22/build.sh"
-timeout_mins: 1440

kokoro/macos/ruby22/presubmit.cfg

@@ -1,5 +0,0 @@
-# Config file for running tests in Kokoro
-
-# Location of the build script in repository
-build_file: "protobuf/kokoro/macos/ruby22/build.sh"
-timeout_mins: 1440

tests.sh

@@ -244,14 +244,6 @@ build_python_compatibility() {
   ./test.sh 3.0.0-beta-1
 }
 
-build_ruby21() {
-  internal_build_cpp  # For conformance tests.
-  cd ruby && bash travis-test.sh ruby-2.1 && cd ..
-}
-build_ruby22() {
-  internal_build_cpp  # For conformance tests.
-  cd ruby && bash travis-test.sh ruby-2.2 && cd ..
-}
 build_ruby23() {
   internal_build_cpp  # For conformance tests.
   cd ruby && bash travis-test.sh ruby-2.3.8 && cd ..
@@ -571,8 +563,6 @@ Usage: $0 { cpp |
             python |
             python_cpp |
             python_compatibility |
-            ruby21 |
-            ruby22 |
             ruby23 |
             ruby24 |
             ruby25 |