Changes

Summary

1. Remove manager instance cache (#2106) (commit: 3364789) (details)

Commit 3364789db5039292043a03c39e1691c850898334 by noreply Remove manager instance cache (#2106) (commit: 3364789)
	src/main/java/net/dv8tion/jda/internal/entities/RoleImpl.java (diff)
	src/main/java/net/dv8tion/jda/internal/entities/StageInstanceImpl.java (diff)
	src/main/java/net/dv8tion/jda/internal/entities/WebhookImpl.java (diff)
	src/main/java/net/dv8tion/jda/internal/entities/GuildImpl.java (diff)
	src/main/java/net/dv8tion/jda/internal/entities/SelfUserImpl.java (diff)
	src/main/java/net/dv8tion/jda/internal/entities/PermissionOverrideImpl.java (diff)
	src/main/java/net/dv8tion/jda/api/entities/templates/Template.java (diff)
	src/main/java/net/dv8tion/jda/internal/entities/EmoteImpl.java (diff)