Remove support for generating versioned snapshots

Previously, the code for selecting specific versions of sdk snapshots
was removed (along with the uses_sdks property). That makes versioned
snapshots useless so this change removes all the code and tests that
generated those versioned snapshots.

Bug: 232546567
Test: m nothing
      packages/modules/common/build/mainline_modules_sdks.sh
Change-Id: Ib6d1b72bc8399fbb39075494ae37da92f4b28d03

sdk/systemserverclasspath_fragment_sdk_test.go

@@ -83,7 +83,7 @@ func TestSnapshotWithSystemServerClasspathFragment(t *testing.T) {
 	).RunTest(t)
 
 	CheckSnapshot(t, result, "mysdk", "",
-		checkUnversionedAndroidBpContents(`
+		checkAndroidBpContents(`
 // This is auto-generated. DO NOT EDIT.
 
 java_sdk_library_import {
@@ -120,52 +120,6 @@ prebuilt_systemserverclasspath_fragment {
         "mysdklibrary",
     ],
 }
-`),
-		checkVersionedAndroidBpContents(`
-// This is auto-generated. DO NOT EDIT.
-
-java_sdk_library_import {
-    name: "mysdk_mysdklibrary@current",
-    sdk_member_name: "mysdklibrary",
-    visibility: ["//visibility:public"],
-    apex_available: ["myapex"],
-    shared_library: false,
-    public: {
-        jars: ["sdk_library/public/mysdklibrary-stubs.jar"],
-        stub_srcs: ["sdk_library/public/mysdklibrary_stub_sources"],
-        current_api: "sdk_library/public/mysdklibrary.txt",
-        removed_api: "sdk_library/public/mysdklibrary-removed.txt",
-        sdk_version: "current",
-    },
-}
-
-java_import {
-    name: "mysdk_mylib@current",
-    sdk_member_name: "mylib",
-    visibility: ["//visibility:public"],
-    apex_available: ["myapex"],
-    jars: ["java_systemserver_libs/snapshot/jars/are/invalid/mylib.jar"],
-    permitted_packages: ["mylib"],
-}
-
-prebuilt_systemserverclasspath_fragment {
-    name: "mysdk_mysystemserverclasspathfragment@current",
-    sdk_member_name: "mysystemserverclasspathfragment",
-    visibility: ["//visibility:public"],
-    apex_available: ["myapex"],
-    contents: [
-        "mysdk_mylib@current",
-        "mysdk_mysdklibrary@current",
-    ],
-}
-
-sdk_snapshot {
-    name: "mysdk@current",
-    visibility: ["//visibility:public"],
-    java_sdk_libs: ["mysdk_mysdklibrary@current"],
-    java_systemserver_libs: ["mysdk_mylib@current"],
-    systemserverclasspath_fragments: ["mysdk_mysystemserverclasspathfragment@current"],
-}
 `),
 	)
 }