Cleanup speech and emoting comps (#13194)

Networks speech and removes the shared prefix from emoting.
I have no idea if emoting is even being used or plan to be used in the interim.

Content.Shared/Speech/SpeechComponent.cs

@@ -0,0 +1,32 @@
+using Robust.Shared.Serialization.TypeSerializers.Implementations.Custom.Prototype;
+using Robust.Shared.Audio;
+using Robust.Shared.GameStates;
+
+namespace Content.Shared.Speech
+{
+    /// <summary>
+    ///     Component required for entities to be able to speak. (TODO: Entities can speak fine without this, this only forbids them speak if they have it and enabled is false.)
+    ///     Contains the option to let entities make noise when speaking, datafields for the sounds in question, and relevant AudioParams.
+    /// </summary>
+    [RegisterComponent, NetworkedComponent]
+    public sealed class SpeechComponent : Component
+    {
+        [DataField("enabled"), Access(typeof(SpeechSystem),
+             Friend = AccessPermissions.ReadWrite,
+             Other = AccessPermissions.Read)]
+        public bool Enabled = true;
+
+        [ViewVariables(VVAccess.ReadWrite)]
+        [DataField("speechSounds", customTypeSerializer:typeof(PrototypeIdSerializer<SpeechSoundsPrototype>))]
+        public string? SpeechSounds;
+
+        [DataField("audioParams")]
+        public AudioParams AudioParams = AudioParams.Default.WithVolume(6f).WithRolloffFactor(4.5f);
+
+        [ViewVariables(VVAccess.ReadWrite)]
+        [DataField("soundCooldownTime")]
+        public float SoundCooldownTime { get; set; } = 0.5f;
+
+        public TimeSpan LastTimeSoundPlayed = TimeSpan.Zero;
+    }
+}