[black] Homogenize recipe installation

conda/black/meta.yaml

@@ -12,9 +12,8 @@ source:
   sha256: {{ sha256 }}
 
 build:
-  noarch: python
   number: 0
-  script: "{{ PYTHON }} -m pip install . --no-deps --ignore-installed --no-cache-dir -vvv"
+  script: "{{ PYTHON }} -m pip install --no-deps --ignore-installed --no-cache-dir ."
   entry_points:
     - black = black:main