Remove obsolete references to 21.x and 22.x branches that used to use Kokoro

PiperOrigin-RevId: 686608991

.github/workflows/test_runner.yml

@@ -20,8 +20,6 @@ on:
     branches:
       - main
       - '[0-9]+.x'
-      # The 21.x and 22.x branches still use Kokoro
-      - '!2[12].x'
       # For testing purposes so we can stage this on the `gha` branch.
       - gha
 
@@ -30,8 +28,6 @@ on:
     branches:
       - main
       - '[0-9]+.x'
-      # The 21.x and 22.x branches still use Kokoro
-      - '!2[12].x'
       # For testing purposes so we can stage this on the `gha` branch.
       - gha
 
@@ -40,8 +36,6 @@ on:
     branches:
       - main
       - '[0-9]+.x'
-      # The 21.x branch still use Kokoro
-      - '!21.x'
       # For testing purposes so we can stage this on the `gha` branch.
       - gha
     types: [labeled, opened, reopened, synchronize]

cmake/dependencies.cmake

@@ -1,34 +0,0 @@
-# Auto-generated by @//cmake:make_dependencies
-#
-# This file contains lists of external dependencies based on our Bazel
-# config. It should be included from a hand-written CMake file that uses
-# them.
-#
-# Changes to this file will be overwritten based on Bazel definitions.
-
-if(${CMAKE_VERSION} VERSION_GREATER 3.10 OR ${CMAKE_VERSION} VERSION_EQUAL 3.10)
-  include_guard()
-endif()
-
-set(abseil-cpp-version "20230802.1")
-set(bazel_skylib-version "1.7.0")
-set(jsoncpp-version "1.9.5")
-set(rules_cc-version "0.0.13")
-set(rules_fuzzing-version "0.5.2")
-set(rules_java-version "7.11.1")
-set(rules_jvm_external-version "6.3")
-set(rules_kotlin-version "1.9.6")
-set(rules_license-version "1.0.0")
-set(rules_pkg-version "1.0.1")
-set(rules_python-version "0.28.0")
-set(rules_rust-version "0.51.0")
-set(platforms-version "0.0.8")
-set(zlib-version "1.3.1")
-set(bazel_features-version "1.17.0")
-set(rules_shell-version "0.2.0")
-set(googletest-version "1.14.0")
-set(rules_buf-version "0.3.0")
-set(rules_testing-version "0.6.0")
-set(rules_proto-version "4.0.0")
-
-