Remove clone depth

causing problems with revert commits

.drone.yml

@@ -1,9 +1,6 @@
 kind: pipeline
 name: build:debian
 
-clone:
-  depth: 1
-
 steps:
 - name: submodules
   image: docker:git
@@ -22,9 +19,6 @@ steps:
 kind: pipeline
 name: build:docker
 
-clone:
-  depth: 1
-
 steps:
 - name: submodules
   image: docker:git