arm64: remove block on non-full flavors of SDK

In an earlier commit, we told the logic that invokes create-sdk-artifact
to pass the architecture rather than the bitness to it, unlocking arm64
support. Let's remove the logic that actively blocked arm64 suport for
all non-full flavors.

Signed-off-by: Dennis Ameling <dennis@dennisameling.com>

Author: dennisameling

README.md

@@ -60,7 +60,7 @@ Git for Windows SDK comes in variants targeting `x86_64` (AKA "64-bit"), `i686`
     architecture: i686
 ```
 
-Please note that only the `build-installers` and the `full` flavors are available for `i686`. For `aarch64`, only the `full` flavor is available.
+Please note that only the `build-installers` and the `full` flavors are available for `i686`.
 
 ### Verbosity
 

main.ts

@@ -40,12 +40,6 @@ async function run(): Promise<void> {
       return
     }
 
-    if (architecture === 'aarch64' && flavor !== 'full') {
-      throw new Error(
-        'On aarch64, only the "full" flavor is supported at this time.'
-      )
-    }
-
     const githubToken = core.getInput('github-token')
     const verbose = core.getInput('verbose')
     const msysMode = core.getInput('msys') === 'true'