Revert linting exemptions introduced in #2071 (#2087)

Summary:
After discussing with Moto Hira, we decided to revert linting exemptions
introduced previously in order to keep the entire audio project as formatted
as possible, to reduce the time we spend on formatting discussion.

Pull Request resolved: https://github.com/pytorch/audio/pull/2087

Reviewed By: mthrok

Differential Revision: D33236949

Pulled By: jdsgomes

fbshipit-source-id: e13079f532c4534d8a168059b0ded6fa375fdecf

.circleci/config.yml

@@ -128,7 +128,7 @@ jobs:
           command: pre-commit run --all-files || true
       - run:
           name: Required lint modifications
-          when: on_fail
+          when: always
           command: git --no-pager diff
 
   download_third_parties_nix:

.circleci/config.yml.in

@@ -128,7 +128,7 @@ jobs:
           command: pre-commit run --all-files || true
       - run:
           name: Required lint modifications
-          when: on_fail
+          when: always
           command: git --no-pager diff
 
   download_third_parties_nix:

pyproject.toml

@@ -8,6 +8,3 @@ line-length = 120
 target-version = ["py37"]
 
 [tool.ufmt]
-excludes = [
-    "examples/tutorials",
-]