chore: disable runner cache for release note drafter (#1051)

<!-- markdownlint-disable MD041 -->
#### What this PR does / why we need it

Disables the go cache for the release note drafter to avoid pulling in
4gi of cached data onto our instances (so we avoid no space left on
device issues)

#### Which issue(s) this PR fixes
<!--
Usage: `Fixes #<issue number>`, or `Fixes (paste link of issue)`.
-->

.github/workflows/release-drafter.yaml

@@ -25,28 +25,6 @@ jobs:
           go-version-file: '${{ github.workspace }}/go.mod'
           cache: false
 
-      - name: Get go environment for use with cache
-        run: |
-          echo "go_cache=$(go env GOCACHE)" >> $GITHUB_ENV
-          echo "go_modcache=$(go env GOMODCACHE)" >> $GITHUB_ENV
-
-      # This step will only reuse the go mod and build cache from main made during the Build,
-      # see push_ocm.yaml => "ocm-cli-latest" Job
-      # This means it never caches by itself and PRs cannot cause cache pollution / thrashing
-      # This is because we have huge storage requirements for our cache because of the mass of dependencies
-      - name: Restore / Reuse Cache from central build
-        id: cache-golang-restore
-        uses: actions/cache/restore@v4 # Only Restore, not build another cache (too big)
-        with:
-          path: |
-            ${{ env.go_cache }}
-            ${{ env.go_modcache }}
-          key: ${{ env.cache_name }}-${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}-${{ hashFiles('**/go.mod') }}
-          restore-keys: |
-            ${{ env.cache_name }}-${{ runner.os }}-go-
-        env:
-          cache_name: ocm-cli-latest-go-cache # needs to be the same key in the end as in the build step
-
       - name: Set Version
         run: |
           RELEASE_VERSION=v$(go run $GITHUB_WORKSPACE/api/version/generate print-version)