Remove unused code from Objc Starlark built-ins.

Flagged by buildifier warnings and code inspection.

RELNOTES: N/A
PiperOrigin-RevId: 443709082

src/main/starlark/builtins_bzl/common/objc/compilation_support.bzl

@@ -21,7 +21,6 @@ objc_internal = _builtins.internal.objc_internal
 cc_common = _builtins.toplevel.cc_common
 
 def _build_variable_extensions(
-        common_variables,
         ctx,
         intermediate_artifacts,
         variable_categories,
@@ -85,7 +84,6 @@ def _build_common_variables(
         compilation_artifacts = objc_internal.create_compilation_artifacts(ctx = ctx)
 
     (objc_provider, objc_compilation_context) = objc_common.create_context_and_provider(
-        purpose = "COMPILE_AND_LINK",
         ctx = ctx,
         compilation_attributes = compilation_attributes,
         compilation_artifacts = compilation_artifacts,
@@ -109,7 +107,6 @@ def _build_common_variables(
         disable_layering_check = disable_layering_check,
         disable_parse_headers = disable_parse_hdrs,
         objc_config = ctx.fragments.objc,
-        apple_config = ctx.fragments.apple,
         objc_provider = objc_provider,
     )
 
@@ -294,7 +291,6 @@ def _register_compile_and_archive_actions_for_j2objc(
         disable_layering_check = True,
         disable_parse_headers = True,
         objc_config = ctx.fragments.objc,
-        apple_config = ctx.fragments.apple,
         objc_provider = None,
     )
     return _register_compile_and_archive_actions(
@@ -385,7 +381,6 @@ def _cc_compile_and_link(
     purpose = "{}_objc_arc".format(_get_purpose(common_variables))
     arc_primary_module_map_fc = feature_configuration
     arc_extensions = _build_variable_extensions(
-        common_variables,
         ctx,
         intermediate_artifacts,
         variable_categories,
@@ -413,7 +408,6 @@ def _cc_compile_and_link(
         support_parse_headers = False,
     )
     non_arc_extensions = _build_variable_extensions(
-        common_variables,
         ctx,
         intermediate_artifacts,
         variable_categories,
@@ -589,7 +583,6 @@ def _register_fully_link_action(common_variables, objc_provider, name):
 
     output_archive = ctx.actions.declare_file(name + ".a")
     extensions = _build_variable_extensions(
-        common_variables,
         ctx,
         common_variables.intermediate_artifacts,
         ["FULLY_LINK_VARIABLES"],

src/main/starlark/builtins_bzl/common/objc/objc_common.bzl

@@ -19,7 +19,6 @@ CcInfo = _builtins.toplevel.CcInfo
 apple_common = _builtins.toplevel.apple_common
 
 def _create_context_and_provider(
-        purpose,
         ctx,
         compilation_attributes,
         compilation_artifacts,
@@ -230,13 +229,6 @@ def _add_linkopts(objc_provider_kwargs, link_opts):
         ),
     )
 
-def _compilation_contexts_from_cc_infos(cc_infos):
-    cc_compilation_contexts = []
-    for cc_info in cc_infos:
-        cc_compilation_contexts.append(cc_info.compilation_context)
-
-    return cc_compilation_contexts
-
 objc_common = struct(
     create_context_and_provider = _create_context_and_provider,
 )