use skip_verify in yaml

.drone.yml

@@ -8,16 +8,9 @@ platform:
   arch: arm
 
 clone:
-  disable: true
+  skip_verify: true
 
 steps:
-- name: clone
-  image: alpine/git
-  commands:
-  - git config --global http.sslVerify false
-  - git clone https://git.loyso.art/frx/altherego.git/ .
-  - git checkout $DRONE_COMMIT
-
 - name: validate
   image: rust:1.49
   commands:
@@ -32,8 +25,6 @@ steps:
     path: /cache/target
   - name: rustup
     path: /usr/local/rustup
-  depends_on:
-  - clone
 
 - name: test
   image: rust:1.49