try arm64 ci only

.drone.yml

@@ -1,46 +1,5 @@
 kind: pipeline
 type: docker
-name: test-on-amd64
-
-platform:
-  arch: amd64 
-
-steps:
-- name: rustfmt
-  image: rust:buster
-  commands:
-  - rustup component add rustfmt
-  - cargo fmt --check
-
-- name: clippy
-  image: rust:buster
-  commands:
-  - rustup component add clippy
-  - cargo clippy -- -D warnings
-
-- name: check
-  image: rust:buster
-  commands:
-  - cargo check
-
-- name: test
-  image: rust:buster
-  commands:
-  - cargo test
-
-- name: build
-  image: rust:buster
-  commands:
-  - cargo build
-
-trigger:
-  event:
-  - push
-  - pull_request
-
----
-kind: pipeline
-type: docker
 name: test-on-arm64
 
 platform:
@@ -59,11 +18,6 @@ steps:
   - rustup component add clippy
   - cargo clippy -- -D warnings
 
-- name: check
-  image: rust:buster
-  commands:
-  - cargo check
-
 - name: test
   image: rust:buster
   commands: