Use self-hosted runner again

.github/workflows/ios-ci.yml

@@ -56,7 +56,7 @@ jobs:
   ios-build:
     needs: pre_job
     if: needs.pre_job.outputs.should_skip != 'true'
-    runs-on: macos-14-xlarge
+    runs-on: [self-hosted, macOS, ARM64]
     concurrency:
       # cancel jobs on PRs only
       group: ${{ github.workflow }}-${{ github.ref }}
@@ -83,25 +83,6 @@ jobs:
             ${{ runner.os }}-bazel-
           path: ~/.cache/bazel
 
-      - name: Import self-signed certificate
-        run: |
-          private_key="$PWD"/codesign/MapLibre.p12
-          cert="$PWD"/codesign/MapLibre.cer
-          # keychain_path=~/Desktop/app-signing.keychain-db
-          # keychain_password=""
-          p12_password="maplibre"
-
-          # security create-keychain -p "$keychain_password" "$keychain_path"
-          # security set-keychain-settings -lut 21600 "$keychain_path"
-          # security unlock-keychain -p "$keychain_password" "$keychain_path"
-
-          security unlock-keychain
-          security import "$private_key" -P "$p12_password" -T /usr/bin/codesign -T /usr/bin/security
-          security import "$cert" -T /usr/bin/codesign -T /usr/bin/security
-          # security set-key-partition-list -S apple-tool:,apple: -k "" "$keychain_path"
-          # security find-certificate -c "MapLibre" -a -Z "$keychain_path"
-          # security add-trusted-cert -d -r trustRoot -k "$keychain_path" -p basic -p codeSign "$cert"
-
       - name: Create Bazel config
         working-directory: platform/darwin
         run: |