we don't need arm64 for tests

Author: basfroman

.github/workflows/check-bittensor-e2e-tests.yml

@@ -126,9 +126,6 @@ jobs:
           - runner: [self-hosted, type-ccx33]
             triple: x86_64-unknown-linux-gnu
             arch: amd64
-          - runner: [ubuntu-24.04-arm]
-            triple: aarch64-unknown-linux-gnu
-            arch: arm64
         runtime: ["fast-runtime"]
 
     runs-on: ${{ matrix.platform.runner }}