Remove old comments about pinned Python versions (#7622)

Author: Akuli

.github/workflows/daily.yml

@@ -21,8 +21,6 @@ jobs:
       matrix:
         # macos-11 does not have tcl/tk installed, needed for stubtesting tkinter
         os: ["ubuntu-latest", "windows-latest", "macos-10.15"]
-        # Python 3.9 and 3.10 temporarily pinned due to incompatibilities
-        # between micro versions.
         python-version: ["3.6", "3.7", "3.8", "3.9", "3.10"]
       fail-fast: false
 

.github/workflows/tests.yml

@@ -96,8 +96,6 @@ jobs:
       matrix:
         # macos-11 does not have tcl/tk installed, needed for stubtesting tkinter
         os: ["ubuntu-latest", "windows-latest", "macos-10.15"]
-        # Python 3.9 and 3.10 temporarily pinned due to incompatibilities
-        # between micro versions.
         python-version: ["3.6", "3.7", "3.8", "3.9", "3.10"]
       fail-fast: false