Remove docker socket from terraform configs (#2820)

buildkite/terraform/bazel-trusted/pipeline.yml.tpl

diff --git a/buildkite/terraform/bazel-trusted/pipeline.yml.tpl b/buildkite/terraform/bazel-trusted/pipeline.yml.tpl
index 5bf09b6..4a80c19 100644
--- a/buildkite/terraform/bazel-trusted/pipeline.yml.tpl
+++ b/buildkite/terraform/bazel-trusted/pipeline.yml.tpl
@@ -40,4 +40,3 @@
             - "/opt/android-sdk-linux:/opt/android-sdk-linux:ro"
             - "/var/lib/buildkite-agent:/var/lib/buildkite-agent"
             - "/var/lib/gitmirrors:/var/lib/gitmirrors:ro"
-            - "/var/run/docker.sock:/var/run/docker.sock"

buildkite/terraform/bazel/pipeline.yml.tpl

diff --git a/buildkite/terraform/bazel/pipeline.yml.tpl b/buildkite/terraform/bazel/pipeline.yml.tpl
index 1042a93..932e86e 100644
--- a/buildkite/terraform/bazel/pipeline.yml.tpl
+++ b/buildkite/terraform/bazel/pipeline.yml.tpl
@@ -40,4 +40,3 @@
             - "/opt/android-sdk-linux:/opt/android-sdk-linux:ro"
             - "/var/lib/buildkite-agent:/var/lib/buildkite-agent"
             - "/var/lib/gitmirrors:/var/lib/gitmirrors:ro"
-            - "/var/run/docker.sock:/var/run/docker.sock"