CI: Cleanup unnecessary grabpl dependencies (#65330)

* Remove unnecessary grabpl dependencies

* Revert test-frontend change

scripts/drone/pipelines/docs.star

@@ -7,7 +7,6 @@ load(
     "build_docs_website_step",
     "build_image",
     "codespell_step",
-    "download_grabpl_step",
     "identify_runner_step",
     "yarn_install_step",
 )
@@ -28,7 +27,6 @@ docs_paths = {
 def docs_pipelines(ver_mode, trigger):
     environment = {"EDITION": "oss"}
     steps = [
-        download_grabpl_step(),
         identify_runner_step(),
         yarn_install_step(),
         codespell_step(),

scripts/drone/pipelines/verify_drone.star

@@ -5,7 +5,6 @@ This module returns the pipeline used for verifying Drone configuration.
 load(
     "scripts/drone/steps/lib.star",
     "compile_build_cmd",
-    "download_grabpl_step",
     "identify_runner_step",
     "lint_drone_step",
 )
@@ -18,7 +17,6 @@ def verify_drone(trigger, ver_mode):
     environment = {"EDITION": "oss"}
     steps = [
         identify_runner_step(),
-        download_grabpl_step(),
         compile_build_cmd(),
         lint_drone_step(),
     ]

scripts/drone/pipelines/verify_starlark.star

@@ -5,7 +5,6 @@ This module returns a Drone pipeline that verifies all Starlark files are linted
 load(
     "scripts/drone/steps/lib.star",
     "compile_build_cmd",
-    "download_grabpl_step",
     "identify_runner_step",
     "lint_starlark_step",
 )
@@ -18,7 +17,6 @@ def verify_starlark(trigger, ver_mode):
     environment = {"EDITION": "oss"}
     steps = [
         identify_runner_step(),
-        download_grabpl_step(),
         compile_build_cmd(),
         lint_starlark_step(),
     ]