Delete unused build archive targets (#164414)

This migration is incomplete and is no longer planned.

Issue: https://github.com/flutter/flutter/issues/105351

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there for submitting PRs.
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responsibilities.
- [X] I read and followed the [Flutter Style Guide], including [Features
we expect every widget to implement].
- [X] I signed the [CLA].
- [X] I listed at least one issue that this PR fixes in the description
above.
- [X] I updated/added relevant documentation (doc comments with `///`).
- [X] I added new tests to check the change I am making, or this PR is
[test-exempt].
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Fixes] where supported.
- [X] All existing and new tests are passing.

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engine/src/flutter/shell/platform/android/BUILD.gn

@@ -716,45 +716,6 @@ if (target_cpu != "x86") {
       ]
     }
   }
-
-  # TODO(godofredoc): Remove gen_snapshot and rename new_gen_snapshot when v2 migration is complete.
-  # BUG: https://github.com/flutter/flutter/issues/105351
-  zip_bundle("new_gen_snapshot") {
-    gen_snapshot_bin = "gen_snapshot"
-    gen_snapshot_out_dir =
-        get_label_info("$dart_src/runtime/bin:gen_snapshot($host_toolchain)",
-                       "root_out_dir")
-    gen_snapshot_path = rebase_path("$gen_snapshot_out_dir/$gen_snapshot_bin")
-
-    if (host_os == "linux") {
-      output = "$android_zip_archive_dir/$full_platform_name-$flutter_runtime_mode/linux-x64.zip"
-    } else if (host_os == "mac") {
-      output = "$android_zip_archive_dir/$full_platform_name-$flutter_runtime_mode/darwin-x64.zip"
-    } else if (host_os == "win") {
-      output = "$android_zip_archive_dir/$full_platform_name-$flutter_runtime_mode/windows-x64.zip"
-      gen_snapshot_bin = "gen_snapshot.exe"
-      gen_snapshot_path = rebase_path("$root_out_dir/$gen_snapshot_bin")
-    }
-
-    files = [
-      {
-        source = gen_snapshot_path
-        destination = gen_snapshot_bin
-      },
-    ]
-
-    deps = [ "$dart_src/runtime/bin:gen_snapshot($host_toolchain)" ]
-
-    if (host_os == "mac") {
-      deps += [ ":android_entitlement_config" ]
-      files += [
-        {
-          source = "$target_gen_dir/android_entitlements.txt"
-          destination = "entitlements.txt"
-        },
-      ]
-    }
-  }
 }
 
 if (host_os == "linux" && (target_cpu == "x64" || target_cpu == "arm64")) {
@@ -786,37 +747,6 @@ if (host_os == "linux" && (target_cpu == "x64" || target_cpu == "arm64")) {
       },
     ]
   }
-
-  # TODO(godofredoc): Remove analyze_snapshot and rename new_analyze_snapshot when v2 migration is complete.
-  # BUG: https://github.com/flutter/flutter/issues/105351
-  zip_bundle("new_analyze_snapshot") {
-    deps = [ "$dart_src/runtime/bin:analyze_snapshot($host_toolchain)" ]
-
-    analyze_snapshot_bin = "analyze_snapshot"
-    analyze_snapshot_out_dir =
-        get_label_info(
-            "$dart_src/runtime/bin:analyze_snapshot($host_toolchain)",
-            "root_out_dir")
-    analyze_snapshot_path =
-        rebase_path("$analyze_snapshot_out_dir/$analyze_snapshot_bin")
-
-    if (host_os == "linux") {
-      output = "$android_zip_archive_dir/$full_platform_name-$flutter_runtime_mode/analyze-snapshot-linux-x64.zip"
-    } else if (host_os == "mac") {
-      output = "$android_zip_archive_dir/$full_platform_name-$flutter_runtime_mode/analyze-snapshot-darwin-x64.zip"
-    } else if (host_os == "win") {
-      output = "$android_zip_archive_dir/$full_platform_name-$flutter_runtime_mode/analyze-snapshot-windows-x64.zip"
-      analyze_snapshot_bin = "analyze-snapshot.exe"
-      analyze_snapshot_path = rebase_path("$root_out_dir/$analyze_snapshot_bin")
-    }
-
-    files = [
-      {
-        source = analyze_snapshot_path
-        destination = analyze_snapshot_bin
-      },
-    ]
-  }
 }
 
 group("android") {