remove dependencies in lints

.github/workflows/black.yml

@@ -29,9 +29,6 @@ jobs:
 
       - name: Install dependencies
         run: |
-          pip install ".[dev]"
-          pip install numpy
-
           mkdir -p .github/linters
           cp pyproject.toml .github/linters
 

.github/workflows/ci.yml

@@ -64,9 +64,7 @@ jobs:
           python-version: 3.6
       - name: Install dependencies
         run: |
-
           pip install ".[dev]"
-
           solc-select install all
           solc-select use 0.5.1
           pip install typing_extensions==4.1.1

.github/workflows/pylint.yml

@@ -29,9 +29,6 @@ jobs:
 
       - name: Install dependencies
         run: |
-          pip install ".[dev]"
-          pip install numpy
-
           mkdir -p .github/linters
           cp pyproject.toml .github/linters