Delete GCC static analyzer workflow (#1950)

As for GCC 15, it is stated not to be suitable for C++ code,
and we have gotten annoyingly many false positives out of it,
so let's just disable it (as per
https://github.com/gbdev/rgbds/pull/1950#issuecomment-4243959126).

.github/workflows/analysis.yml

@@ -1,23 +0,0 @@
-name: Static analysis
-on:
-  - push
-  - pull_request
-
-env:
-  # Force colored output (see https://bixense.com/clicolors/ and https://force-color.org/)
-  TERM: xterm-256color
-  CLICOLOR: 1
-  CLICOLOR_FORCE: 1
-
-jobs:
-  analysis:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout repo
-        uses: actions/checkout@v6
-      - name: Install deps
-        run: |
-          ./.github/scripts/install_deps.sh ubuntu-latest
-      - name: Static analysis
-        run: | # Silence warnings with too many false positives (https://stackoverflow.com/a/73913076)
-          make -kj CXX=g++-14 CXXFLAGS="-fanalyzer -fanalyzer-verbosity=0 -Wno-analyzer-use-of-uninitialized-value -DNDEBUG" Q=