MOBILE-4081 core: Fix package-lock.json for npm 6

We were previously relying on npm 7 by mistake

.github/workflows/acceptance.yml

@@ -35,9 +35,7 @@ jobs:
         git clone --branch ${{ github.event.inputs.moodle_branch }} --depth 1 ${{ github.event.inputs.moodle_repository }} $GITHUB_WORKSPACE/moodle
         git clone --branch master --depth 1 https://github.com/moodlehq/moodle-docker $GITHUB_WORKSPACE/moodle-docker
     - name: Install npm packages
-      run: |
-        npm install -g npm@7
-        npm ci --no-audit
+      run: npm ci --no-audit
     - name: Generate Behat tests plugin
       run: |
         export MOODLE_DOCKER_WWWROOT=$GITHUB_WORKSPACE/moodle

.github/workflows/performance.yml

@@ -21,9 +21,7 @@ jobs:
         git clone --branch master --depth 1 https://github.com/moodle/moodle $GITHUB_WORKSPACE/moodle
         git clone --branch master --depth 1 https://github.com/moodlehq/moodle-docker $GITHUB_WORKSPACE/moodle-docker
     - name: Install npm packages
-      run: |
-        npm install -g npm@7
-        npm ci --no-audit
+      run: npm ci --no-audit
     - name: Generate Behat tests plugin
       run: |
         export MOODLE_DOCKER_WWWROOT=$GITHUB_WORKSPACE/moodle

.github/workflows/testing.yml

@@ -14,9 +14,7 @@ jobs:
       with:
         node-version: '14'
     - name: Install npm packages
-      run: |
-        npm install -g npm@7
-        npm ci --no-audit
+      run: npm ci --no-audit
     - name: Check langindex
       run: |
         result=$(cat scripts/langindex.json | grep \"TBD\" | wc -l); test $result -eq 0

.travis.yml

@@ -19,7 +19,6 @@ cache:
 
 before_install:
   - nvm install
-  - npm install npm@^7 -g
   - node --version
   - npm --version
   - nvm --version
@@ -48,7 +47,6 @@ jobs:
       - extra-android-m2repository
     before_install:
       - nvm install
-      - npm install npm@^7 -g
       - node --version
       - npm --version
       - nvm --version

Dockerfile

@@ -6,7 +6,6 @@ WORKDIR /app
 # Prepare node dependencies
 RUN apt-get update && apt-get install libsecret-1-0 -y
 COPY package*.json ./
-RUN npm install -g npm@7
 RUN npm ci --no-audit
 
 # Build source