ci: Remove sudo - assume tools pre-installed on runner

.gitea/workflows/lint.yml

@@ -16,11 +16,6 @@ jobs:
           git clone --depth=1 --branch=${{ github.ref_name }} \
             https://oauth2:${{ github.token }}@git.mymx.me/${{ github.repository }}.git .
 
-      - name: Install cppcheck
-        run: |
-          sudo apt-get update
-          sudo apt-get install -y cppcheck
-
       - name: Run cppcheck
         run: |
           cppcheck --enable=warning,style,performance,portability \
@@ -40,8 +35,7 @@ jobs:
             https://oauth2:${{ github.token }}@git.mymx.me/${{ github.repository }}.git .
 
       - name: Install flawfinder
-        run: |
-          pip install --user flawfinder
+        run: pip install --user flawfinder
 
       - name: Run flawfinder
         run: |
@@ -57,15 +51,8 @@ jobs:
           git clone --branch=${{ github.ref_name }} \
             https://oauth2:${{ github.token }}@git.mymx.me/${{ github.repository }}.git .
 
-      - name: Install gitleaks
-        run: |
-          GITLEAKS_VERSION="8.18.4"
-          curl -sSL "https://github.com/gitleaks/gitleaks/releases/download/v${GITLEAKS_VERSION}/gitleaks_${GITLEAKS_VERSION}_linux_x64.tar.gz" \
-            | sudo tar -xz -C /usr/local/bin gitleaks
-
       - name: Run gitleaks
-        run: |
-          gitleaks detect --source . --verbose --redact
+        run: gitleaks detect --source . --verbose --redact
 
   shellcheck:
     name: Shell Script Analysis
@@ -76,11 +63,6 @@ jobs:
           git clone --depth=1 --branch=${{ github.ref_name }} \
             https://oauth2:${{ github.token }}@git.mymx.me/${{ github.repository }}.git .
 
-      - name: Install shellcheck
-        run: |
-          sudo apt-get update
-          sudo apt-get install -y shellcheck
-
       - name: Find and check shell scripts
         run: |
           SCRIPTS=$(find . -name "*.sh" -type f 2>/dev/null || true)