Update README for poetry-dynamic-versioning

Author: smkent

README.md

@@ -31,14 +31,14 @@ Via [`pipx`][pipx]:
 ```console
 pip install pipx
 pipx install poetry
-pipx inject poetry poetry-dynamic-versioning poetry-pre-commit-plugin
+pipx inject poetry poetry-pre-commit-plugin
 ```
 
 Via `pip`:
 
 ```console
 pip install poetry
-poetry self add poetry-dynamic-versioning poetry-pre-commit-plugin
+poetry self add poetry-pre-commit-plugin
 ```
 
 ## New project creation

{{cookiecutter.project_name}}/README.md

@@ -49,14 +49,14 @@ Via [`pipx`][pipx]:
 ```console
 pip install pipx
 pipx install poetry
-pipx inject poetry poetry-dynamic-versioning poetry-pre-commit-plugin
+pipx inject poetry poetry-pre-commit-plugin
 ```
 
 Via `pip`:
 
 ```console
 pip install poetry
-poetry self add poetry-dynamic-versioning poetry-pre-commit-plugin
+poetry self add poetry-pre-commit-plugin
 ```
 
 ### Development tasks