Remove flake8

.github/workflows/lint.yml

@@ -272,13 +272,6 @@ jobs:
               run: |
                   git grep -I -n 'emberAfWriteAttribute' -- './*' ':(exclude).github/workflows/lint.yml' ':(exclude)src/app/util/af.h' ':(exclude)zzz_generated/app-common/app-common/zap-generated/attributes/Accessors.cpp' ':(exclude)src/app/zap-templates/templates/app/attributes/Accessors-src.zapt' ':(exclude)src/app/util/attribute-table.cpp' ':(exclude)examples/common/pigweed/rpc_services/Attributes.h' ':(exclude)src/app/util/attribute-table.h' ':(exclude)src/app/util/ember-compatibility-functions.cpp' && exit 1 || exit 0
 
-            # Run python Linter (flake8) and verify python files
-            # ignore some style errors, restyler should do that
-            - name: Check for errors using flake8 Python linter
-              if: always()
-              run: |
-                  flake8 --extend-ignore=E501,W391
-
             # Run ruff python linter
             - name: Check for errors using ruff Python linter
               if: always()

integrations/docker/images/base/chip-build/Dockerfile

@@ -144,7 +144,6 @@ RUN set -x \
     click \
     coloredlogs \
     cxxfilt \
-    flake8 \
     future \
     ghapi \
     mobly \