fix: drop Python 2.7 on Windows using 2008 compiler

cibuildwheel/windows.py

@@ -25,7 +25,6 @@ from .util import (
 )
 
 IS_RUNNING_ON_AZURE = Path('C:\\hostedtoolcache').exists()
-IS_RUNNING_ON_TRAVIS = os.environ.get('TRAVIS_OS_NAME') == 'windows'
 
 
 def call(args: Sequence[PathOrStr], env: Optional[Dict[str, str]] = None,
@@ -69,10 +68,9 @@ def get_python_configurations(
         '64': Architecture.AMD64,
     }
 
+    # Only supported with custom compiler, since MS removed the 2008 compiler download
     custom_compiler = os.environ.get('DISTUTILS_USE_SDK') and os.environ.get('MSSdk')
-    if IS_RUNNING_ON_TRAVIS and not custom_compiler:
-        # cannot install VCForPython27.msi which is needed for compiling C software
-        # try with (and similar): msiexec /i VCForPython27.msi ALLUSERS=1 ACCEPT=YES /passive
+    if not custom_compiler:
         python_configurations = [c for c in python_configurations if not c.version.startswith('2.7')]
 
     # skip builds as required