Remove SKIP_PREPARE env variable usages

.ci/azure-pipelines-build.yml

@@ -26,8 +26,6 @@ jobs:
 
   - script: 'npm ci --no-audit'
     displayName: 'Install Dependencies'
-    env:
-      SKIP_PREPARE: 'true'
 
   - script: 'npm run build:development'
     displayName: 'Build Development'

.github/workflows/lint.yml

@@ -50,8 +50,6 @@ jobs:
 
       - name: Install Node.js dependencies
         run: npm ci --no-audit
-        env:
-          SKIP_PREPARE: true
 
       - name: Run eslint
         run: npm run lint
@@ -76,8 +74,6 @@ jobs:
 
       - name: Install Node.js dependencies
         run: npm ci --no-audit
-        env:
-          SKIP_PREPARE: true
 
       - name: Run stylelint
         run: npm run stylelint:css
@@ -102,8 +98,6 @@ jobs:
 
       - name: Install Node.js dependencies
         run: npm ci --no-audit
-        env:
-          SKIP_PREPARE: true
 
       - name: Run stylelint
         run: npm run stylelint:scss