Drop unneeded pre-install job for RTD

Author: JoshMock

.readthedocs.yml

@@ -7,9 +7,6 @@ build:
   os: ubuntu-22.04
   tools:
     python: "3.10"
-  jobs:
-    pre_install:
-      - "python -m pip install sphinx-rtd-theme sphinx-autodoc-typehints"
 
 python:
   install:

noxfile.py

@@ -104,6 +104,5 @@ def lint(session):
 
 @nox.session()
 def docs(session):
-    session.install("sphinx-rtd-theme", "sphinx-autodoc-typehints")
     session.install(".[docs]")
     session.run("sphinx-build", "docs/sphinx/", "docs/sphinx/_build", "-b", "html")

pyproject.toml

@@ -72,9 +72,9 @@ dev = [
     "mapbox-vector-tile",
 ]
 docs = [
-    "sphinx-rtd-theme",
+    "sphinx-rtd-theme>=1.2.2",
     "sphinx-autodoc-typehints",
-    "sphinx",
+    "sphinx==6.2.1",
 ]
 
 [project.urls]