Remove an incorrect duplicate plugin file#430

Garulf merged 1 commit intoplugin_api_v2Flow-Launcher/Flow.Launcher.PluginsManifest:plugin_api_v2from

fix-infinite-updates-of-a-pluginFlow-Launcher/Flow.Launcher.PluginsManifest:fix-infinite-updates-of-a-pluginCopy head branch name to clipboard