super-linter.yml: Remove reundant environment variable

No need to set DEFAULT_BRANCH here now that it is in the
environment file.

Change-Id: I1f5d82058da18603f9ca28326097de848429936e
Signed-off-by: Joakim Roubert <joakimr@axis.com>

.github/workflows/build.yml

@@ -5,7 +5,7 @@ on: push
 
 jobs:
   build_acap:
-    name: Build ACAPs
+    name: Build ACAP packages
     runs-on: ubuntu-latest
     env:
       DEBIAN_FRONTEND: noninteractive

.github/workflows/super-linter.yml

@@ -4,8 +4,8 @@ name: Lint
 on: push
 
 jobs:
-  build:
-    name: Lint Code Base
+  Build:
+    name: Lint code base
     runs-on: ubuntu-latest
     steps:
       - name: Checkout Code
@@ -16,8 +16,7 @@ jobs:
       - name: Setup Environment
         run: cat .github/super-linter.env >> "$GITHUB_ENV"
 
-      - name: Lint Code Base
+      - name: Lint code base
         uses: super-linter/super-linter/slim@v6
         env:
-          DEFAULT_BRANCH: main
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}