Remove grabpl step from Windows builds (#42052)

.drone.yml

@@ -1115,12 +1115,6 @@ platform:
   version: "1809"
 services: []
 steps:
-- commands:
-  - mkdir -p bin
-  - curl -fL -o bin/grabpl https://grafana-downloads.storage.googleapis.com/grafana-build-pipeline/v2.6.1/grabpl
-  - chmod +x bin/grabpl
-  image: byrnedo/alpine-curl:0.1.8
-  name: grabpl
 - commands:
   - echo $env:DRONE_RUNNER_NAME
   image: mcr.microsoft.com/windows:1809
@@ -2048,12 +2042,6 @@ platform:
   version: "1809"
 services: []
 steps:
-- commands:
-  - mkdir -p bin
-  - curl -fL -o bin/grabpl https://grafana-downloads.storage.googleapis.com/grafana-build-pipeline/v2.6.1/grabpl
-  - chmod +x bin/grabpl
-  image: byrnedo/alpine-curl:0.1.8
-  name: grabpl
 - commands:
   - echo $env:DRONE_RUNNER_NAME
   image: mcr.microsoft.com/windows:1809
@@ -2957,12 +2945,6 @@ platform:
   version: "1809"
 services: []
 steps:
-- commands:
-  - mkdir -p bin
-  - curl -fL -o bin/grabpl https://grafana-downloads.storage.googleapis.com/grafana-build-pipeline/v2.6.1/grabpl
-  - chmod +x bin/grabpl
-  image: byrnedo/alpine-curl:0.1.8
-  name: grabpl
 - commands:
   - echo $env:DRONE_RUNNER_NAME
   image: mcr.microsoft.com/windows:1809
@@ -3556,6 +3538,6 @@ kind: secret
 name: drone_token
 ---
 kind: signature
-hmac: 68182383c80b7e49367441fa69d6c7fb21527649213196a0ee44ddbe9a1d7e41
+hmac: 45c40d0ca9041f596e025fd4252fb226d41e7826e1e29e2112663036e1d5bfaf
 
 ...

scripts/drone/pipelines/release.star

@@ -167,7 +167,7 @@ def get_oss_pipelines(trigger, ver_mode):
         ),
         pipeline(
             name='oss-windows-{}'.format(ver_mode), edition=edition, trigger=trigger,
-            steps=[download_grabpl_step()] + initialize_step(edition, platform='windows', ver_mode=ver_mode) + windows_package_steps,
+            steps=initialize_step(edition, platform='windows', ver_mode=ver_mode) + windows_package_steps,
             platform='windows', depends_on=['oss-build-{}'.format(ver_mode)],
         ),
     ]