GitHub: remove caching, already built in

The actions/setup-go@v5 already includes Go module caching by default.
We no longer need to add our custom caching.

Author: guggero

.github/actions/setup-go/action.yml

@@ -7,12 +7,6 @@ inputs:
   key-prefix:
     description: "A prefix to use for the cache key, to separate cache entries from other workflows"
     required: false
-  use-build-cache:
-    description: "Whether to use the build cache"
-    required: false
-    # Boolean values aren't supported in the workflow syntax, so we use a
-    # string. To not confuse the value with true/false, we use 'yes' and 'no'.
-    default: 'yes'
 
 runs:
   using: "composite"
@@ -29,37 +23,6 @@ runs:
       with:
         go-version: '${{ inputs.go-version }}'
 
-    - name: go module and build cache
-      if: ${{ inputs.use-build-cache == 'yes' }}
-      uses: actions/cache@v4
-      with:
-        # In order:
-        # * Module download cache
-        # * Build cache (Linux)
-        # * Build cache (Mac)
-        # * Build cache (Windows)
-        path: |
-          ~/go/pkg/mod
-          ~/.cache/go-build
-          ~/Library/Caches/go-build
-          ~\AppData\Local\go-build
-        key: ${{ runner.os }}-go-${{ inputs.go-version }}-${{ inputs.key-prefix }}-${{ github.job }}-${{ hashFiles('**/go.sum') }}
-        restore-keys: |
-          ${{ runner.os }}-go-${{ inputs.go-version }}-${{ inputs.key-prefix }}-${{ github.job }}-
-          ${{ runner.os }}-go-${{ inputs.go-version }}-${{ inputs.key-prefix }}-
-
-    - name: go module cache
-      if: ${{ inputs.use-build-cache == 'no' }}
-      uses: actions/cache@v4
-      with:
-        # Just the module download cache.
-        path: |
-          ~/go/pkg/mod
-        key: ${{ runner.os }}-go-${{ inputs.go-version }}-${{ inputs.key-prefix }}-no-build-cache-${{ github.job }}-${{ hashFiles('**/go.sum') }}
-        restore-keys: |
-          ${{ runner.os }}-go-${{ inputs.go-version }}-${{ inputs.key-prefix }}-no-build-cache-${{ github.job }}-
-          ${{ runner.os }}-go-${{ inputs.go-version }}-${{ inputs.key-prefix }}-no-build-cache-
-
     - name: set GOPATH
       shell: bash
       run: |

.github/workflows/main.yml

@@ -125,8 +125,6 @@ jobs:
         uses: ./.github/actions/setup-go
         with:
           go-version: '${{ env.GO_VERSION }}'
-          key-prefix: cross-compile
-          use-build-cache: 'no'
 
       - name: build release for all architectures (skip app build)
         run: make go-release sys="${{ matrix.sys }}"