Remove `CX_xxxx` keycodes, keeping `OU_xxxx`.

data/constants/keycodes/keycodes_0.0.5_connection.hjson

@@ -9,7 +9,7 @@
             "group": "connection",
             "key": "QK_OUTPUT_NEXT",
             "aliases": [
-                "CX_NEXT",
+                "OU_NEXT",
                 "OU_AUTO"
             ]
         },
@@ -17,14 +17,13 @@
             "group": "connection",
             "key": "QK_OUTPUT_PREV",
             "aliases": [
-                "CX_PREV"
+                "OU_PREV"
             ]
         },
         "0x7782": {
             "group": "connection",
             "key": "QK_OUTPUT_USB",
             "aliases": [
-                "CX_USB",
                 "OU_USB"
             ]
         },
@@ -32,14 +31,13 @@
             "group": "connection",
             "key": "QK_OUTPUT_2P4GHZ",
             "aliases": [
-                "CX_2P4G"
+                "OU_2P4G"
             ]
         },
         "0x7784": {
             "group": "connection",
             "key": "QK_OUTPUT_BLUETOOTH",
             "aliases": [
-                "CX_BT",
                 "OU_BT"
             ]
         },

quantum/keycodes.h

@@ -1308,13 +1308,11 @@ enum qk_keycode_defines {
     MC_29      = QK_MACRO_29,
     MC_30      = QK_MACRO_30,
     MC_31      = QK_MACRO_31,
-    CX_NEXT    = QK_OUTPUT_NEXT,
+    OU_NEXT    = QK_OUTPUT_NEXT,
     OU_AUTO    = QK_OUTPUT_NEXT,
-    CX_PREV    = QK_OUTPUT_PREV,
-    CX_USB     = QK_OUTPUT_USB,
+    OU_PREV    = QK_OUTPUT_PREV,
     OU_USB     = QK_OUTPUT_USB,
-    CX_2P4G    = QK_OUTPUT_2P4GHZ,
-    CX_BT      = QK_OUTPUT_BLUETOOTH,
+    OU_2P4G    = QK_OUTPUT_2P4GHZ,
     OU_BT      = QK_OUTPUT_BLUETOOTH,
     BT_NEXT    = QK_BLUETOOTH_PROFILE_NEXT,
     BT_PREV    = QK_BLUETOOTH_PROFILE_PREV,