move bin/ to tools/

The directories are not that different now. Also, clean up .bazelrc

.buildkite/pipeline.yml

@@ -27,7 +27,7 @@ steps:
       ci/launcher-wine64
   - label: "mod-tidy and update-repos"
     command: |
-      bin/mod-tidy
+      tools/mod-tidy
       git diff --exit-code
 agents:
     - "queue=init"

.envrc

@@ -3,5 +3,5 @@
 
 set -eu
 
-BIN_DIR="$(git rev-parse --show-toplevel)/bin"
+BIN_DIR="$(git rev-parse --show-toplevel)/tools"
 export PATH="$BIN_DIR:$PATH"

.gitignore

@@ -6,5 +6,3 @@
 /bazel-out
 /bazel-testlogs
 /bazel-x
-
-.custom.ci.bazelrc

ci/lint

@@ -19,7 +19,7 @@ if command -v shellcheck &> /dev/null; then
 fi
 
 >&2 echo "--- buildifier :bazel:"
-bin/buildifier -r -mode check "$PWD"
+tools/buildifier -r -mode check "$PWD"
 >&2 echo -e "OK\n"
 
 >&2 echo "--- Gazelle :goat:"