Remove signing env vars from release workflow

Signing keys are not configured yet; empty env vars cause
tauri-action to fail with 'No artifacts found'.

Author: henfrydls

.github/workflows/release.yml

@@ -5,10 +5,6 @@ on:
     tags:
       - 'v*.*.*'
 
-env:
-  TAURI_SIGNING_PRIVATE_KEY: ${{ secrets.TAURI_SIGNING_PRIVATE_KEY }}
-  TAURI_SIGNING_PRIVATE_KEY_PASSWORD: ${{ secrets.TAURI_SIGNING_PRIVATE_KEY_PASSWORD }}
-
 jobs:
   build:
     permissions:
@@ -89,13 +85,6 @@ jobs:
         uses: tauri-apps/tauri-action@v0
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          # macOS signing (optional - requires certificates)
-          APPLE_CERTIFICATE: ${{ secrets.APPLE_CERTIFICATE }}
-          APPLE_CERTIFICATE_PASSWORD: ${{ secrets.APPLE_CERTIFICATE_PASSWORD }}
-          APPLE_SIGNING_IDENTITY: ${{ secrets.APPLE_SIGNING_IDENTITY }}
-          APPLE_ID: ${{ secrets.APPLE_ID }}
-          APPLE_PASSWORD: ${{ secrets.APPLE_PASSWORD }}
-          APPLE_TEAM_ID: ${{ secrets.APPLE_TEAM_ID }}
         with:
           tagName: ${{ github.ref_name }}
           releaseName: '${{ github.ref_name }}'