CI: Remove runner_labels from custom cache actions

These were originally introduced to make it possible to discern between
GitHub's and Blacksmith's caches. This is no longer necessary since
Blacksmith resolved some issues _and_ switched to transparently
proxying GitHub cache actions to their own caches.

.github/actions/cache-restore/action.yml

@@ -3,9 +3,6 @@ description: 'Restores caches of downloaded files and build artifacts.'
 author: 'Andrew Kaster <akaster@serenityos.org>'
 
 inputs:
-  runner_labels:
-    description: 'Runner selection labels'
-    required: true
   os:
     description: 'Operating System to restore caches for'
     required: true

.github/actions/cache-save/action.yml

@@ -3,9 +3,6 @@ description: 'Saves caches of build artifacts.'
 author: 'Andrew Kaster <akaster@serenityos.org>'
 
 inputs:
-  runner_labels:
-    description: 'Runner selection labels'
-    required: true
   arch:
     description: 'Target Architecture to restore caches for'
     required: false

.github/workflows/js-and-wasm-artifacts.yml

@@ -73,7 +73,6 @@ jobs:
         uses: ./.github/actions/cache-restore
         id: 'cache-restore'
         with:
-          runner_labels: ${{ matrix.runner_labels }}
           os: ${{ matrix.os_name }}
           arch: ${{ matrix.arch }}
           cache_key_extra: 'LibJS and LibWasm Artifacts'
@@ -129,7 +128,6 @@ jobs:
       - name: Save Caches
         uses: ./.github/actions/cache-save
         with:
-          runner_labels: ${{ matrix.runner_labels }}
           arch: 'Lagom'
           ccache_path: ${{ env.CCACHE_DIR }}
           ccache_primary_key: ${{ steps.cache-restore.outputs.ccache_primary_key }}

.github/workflows/lagom-template.yml

@@ -101,7 +101,6 @@ jobs:
         uses: ./.github/actions/cache-restore
         id: 'cache-restore'
         with:
-          runner_labels: ${{ inputs.runner_labels }}
           os: ${{ inputs.os_name }}
           arch: ${{ inputs.arch }}
           toolchain: ${{ inputs.toolchain }}
@@ -179,7 +178,6 @@ jobs:
       - name: Save Caches
         uses: ./.github/actions/cache-save
         with:
-          runner_labels: ${{ inputs.runner_labels }}
           arch: ${{ inputs.arch }}
           ccache_path: ${{ env.CCACHE_DIR }}
           ccache_primary_key: ${{ steps.cache-restore.outputs.ccache_primary_key }}

.github/workflows/libjs-test262.yml

@@ -62,7 +62,6 @@ jobs:
         uses: ./.github/actions/cache-restore
         id: 'cache-restore'
         with:
-          runner_labels: '["blacksmith-16vcpu-ubuntu-2404"]'
           os: 'Linux'
           arch: 'x86_64'
           toolchain: 'Clang'
@@ -88,7 +87,6 @@ jobs:
       - name: Save Caches
         uses: ./.github/actions/cache-save
         with:
-          runner_labels: '["blacksmith-16vcpu-ubuntu-2404"]'
           arch: 'x86_64'
           ccache_path: ${{ env.CCACHE_DIR }}
           ccache_primary_key: ${{ steps.cache-restore.outputs.ccache_primary_key }}

.github/workflows/web-benchmarks.yml

@@ -71,7 +71,6 @@ jobs:
         uses: ./.github/actions/cache-restore
         id: 'cache-restore'
         with:
-          runner_labels: ${{ matrix.runner_labels }}
           os: ${{ matrix.os_name }}
           arch: ${{ matrix.arch }}
           toolchain: 'Clang'
@@ -110,7 +109,6 @@ jobs:
       - name: 'Save Caches'
         uses: ./.github/actions/cache-save
         with:
-          runner_labels: ${{ matrix.runner_labels }}
           arch: ${{ matrix.arch }}
           ccache_path: ${{ env.CCACHE_DIR }}
           ccache_primary_key: ${{ steps.cache-restore.outputs.ccache_primary_key }}