Remove the caching of the Go modules cache

It only provides an approximate 20-second speed boost, while eating up
a couple of 100MB per GitHub cache. We can add it back later on if we
think it's really worth it.

Signed-off-by: Tom Wieczorek <[email protected]>
(cherry picked from commit 87336f0)

Author: twz123

.github/workflows/build-k0s.yml

@@ -84,13 +84,6 @@ jobs:
           touch -t "$(TZ=UTC+24 date +%Y%m%d%H%M.%S)" build/cache/_cache_sentinel
           find build/cache/go/build -type f \( -name '*-a' -o -name '*-d' \) -exec touch -r build/cache/_cache_sentinel {} +
 
-      - name: "Cache :: GOMODCACHE"
-        uses: actions/cache@v4
-        with:
-          key: build-k0s-gomodcache-${{ hashFiles('go.sum') }}
-          path: build/cache/go/mod
-          enableCrossOsArchive: true
-
       - name: "Build :: k0s"
         run: |
           make bindata

.github/workflows/go.yml

@@ -218,13 +218,6 @@ jobs:
           path: |
             build/cache/go/build
 
-      - name: Cache GOMODCACHE
-        uses: actions/cache@v4
-        with:
-          key: unittests-k0s-gomodcache-${{ hashFiles('go.sum') }}
-          path: build/cache/go/mod
-          enableCrossOsArchive: true
-
       - name: Run unit tests
         env:
           CACHE_HIT_GOCACHE: "${{ steps.cache-gocache.outputs.cache-hit }}"
@@ -347,13 +340,6 @@ jobs:
           touch -t "$(TZ=UTC+24 date +%Y%m%d%H%M.%S)" build/cache/_cache_sentinel
           find build/cache/go/build -type f \( -name '*-a' -o -name '*-d' \) -exec touch -r build/cache/_cache_sentinel {} +
 
-      - name: Cache GOMODCACHE
-        uses: actions/cache@v4
-        with:
-          key: ${{ runner.os }}-smoketest-arm-gomodcache-arm-${{ hashFiles('go.sum') }}
-          path: |
-            build/cache/go/mod
-
       - name: Build
         run: |
           make bindata

.github/workflows/lint.yaml

@@ -79,13 +79,6 @@ jobs:
             build/cache/go/build
             build/cache/golangci-lint
 
-      - name: "Cache :: GOMODCACHE"
-        uses: actions/cache/restore@v4
-        with:
-          key: build-k0s-gomodcache-${{ hashFiles('go.sum') }}
-          path: build/cache/go/mod
-          enableCrossOsArchive: true
-
       - name: Run linter
         env:
           CACHE_HIT_GOLANGCI: "${{ steps.cache-golangci.outputs.cache-hit }}"
@@ -121,13 +114,6 @@ jobs:
           path: |
             build/cache/go/build
 
-      - name: "Cache :: GOMODCACHE"
-        uses: actions/cache/restore@v4
-        with:
-          key: build-k0s-gomodcache-${{ hashFiles('go.sum') }}
-          path: build/cache/go/mod
-          enableCrossOsArchive: true
-
       - name: Check go.mod/go.sum to be consistent
         run: make --always-make go.sum && git diff --exit-code