remove c compiler env on client build stage

Signed-off-by: Prajwol Amatya <prajwolamatya11@gmail.com>

Author: PrajwolAmatya

.github/workflows/gui-tests.yml

@@ -18,7 +18,7 @@ jobs:
     runs-on: ubuntu-latest
     if: github.event_name == 'pull_request'
     container:
-      image: owncloudci/squish:fedora-42-8.1.0-qt68x-linux64
+      image: prajwolamatya11/squish_fedora:latest
     steps:
       - name: Checkout
         uses: actions/checkout@v6
@@ -42,7 +42,7 @@ jobs:
   gui-tests:
     runs-on: ubuntu-latest
     container:
-      image: owncloudci/squish:fedora-42-8.1.0-qt68x-linux64
+      image: prajwolamatya11/squish_fedora:latest
       env:
         PLAYWRIGHT_BROWSERS_PATH: /__w/client/client/test/gui/.playwright
         GITHUB_REPO: ${{ github.repository }}
@@ -89,7 +89,7 @@ jobs:
         run: |
           mkdir -p build
           cd build
-          cmake -G"Ninja" -DCMAKE_BUILD_TYPE=Debug -DCMAKE_C_COMPILER=clang -DCMAKE_CXX_COMPILER=clang++ -DBUILD_TESTING=OFF -S ..
+          cmake -G"Ninja" -DCMAKE_BUILD_TYPE=Debug -DBUILD_TESTING=OFF -S ..
           ninja
 
       - name: Install Python Modules