windows: Only build once

Signed-off-by: Daniel Schaefer <[email protected]>

Author: JohnAZoidberg

.github/workflows/test.yml

@@ -11,10 +11,10 @@ jobs:
       fail-fast: false
       matrix:
         os: [windows-latest]
-        generator: ["Ninja", "Unix Makefiles"]
-        mbedtls: ["mbedtls", ""]
-        libusb: ["libusb", ""]
-        compile: ["compile", ""]
+        generator: ["Ninja"]
+        mbedtls: [""]
+        libusb: ["libusb"]
+        compile: ["compile"]
         exclude:
           - os: 'windows-latest'
             generator: "Unix Makefiles"