remove matrix + note about name

I don't use Matrix anymore because our home server is falling apart, and I don't really have a _reason_ to use it anyways.
please email me or message me on Discord instead!

content/about.tree

@@ -8,7 +8,11 @@ visibility = "Private"
     - you can pronounce it like "Ricky."
 
     % id = "01JGW96B8N7V4EGTAFGDS08TFW"
-    - if you need a surname, assume it's _moe_. so my full name is *riki moe* (リキ萌)!
+    + if you need a surname, assume it's _moe_. so my full nickname is *riki moe* (リキ萌)!
+
+        % id = "01JHZ4C908X4YH080K0VMSNQAN"
+        - I am aware this is reversed from how you'd normally spell out Japanese names, but I like the ring of _riki moe_ better than _moe riki_.
+        _riki moe_ is not a real name after all, so it doesn't have to follow real world rules.
 
     % id = "01JGW96B8NX66HF6ZNZFGZVMK6"
     + also known as *riki*
@@ -127,9 +131,6 @@ visibility = "Private"
         % id = "01J09B2BZXZQSRXV8EHT68YE7M"
         - Discord - username is *rikimoe*
 
-        % id = "01J09E55G1DB0RCJ2Z0DND38KF"
-        - Matrix - username is [this][branch:01J09B2BZXT6AAJNPEQ044KCDR]
-
         % id = "01J09E55G1VQ1K14BZ1QW1X2CA"
         + email - for people, it's under this domain and is `hi`
 
@@ -141,9 +142,8 @@ visibility = "Private"
             - listen I'm trying to ward off spam with this weird wording, but I bet you can figure out my email address from this pretty easily.
 
             % id = "01J09E55G1XKF12N27Y8TCMQPY"
-            - if not then my email is not that hard to find in other places.
+            - if not, then my email is not that hard to find in other places.
 
         % id = "01J09E55G1T4PPVBXH7PSR8ZNY"
         - just don't forget to wave at me if you do - I need to tell you apart from bots somehow!
 
-