refactor: remove channel disambiguation suffix

app/src/main/java/com/geeksville/mesh/model/Channel.kt

@@ -73,21 +73,6 @@ data class Channel(
             }
         }
 
-    /**
-     * Return a name that is formatted as #channename-suffix
-     *
-     * Where suffix indicates the hash of the PSK
-     */
-    val humanName: String
-        get() {
-            // start with the PSK then xor in the name
-            val pskCode = xorHash(psk.toByteArray())
-            val nameCode = xorHash(name.toByteArray())
-            val suffix = 'A' + ((pskCode xor nameCode) % 26)
-
-            return "#${name}-${suffix}"
-        }
-
     /**
      * Given a channel name and psk, return the (0 to 255) hash for that channel
      */

app/src/main/java/com/geeksville/mesh/ui/ChannelFragment.kt

@@ -241,11 +241,12 @@ fun ChannelScreen(
 
     fun sendButton() {
         primaryChannel?.let { primaryChannel ->
-            val humanName = primaryChannel.humanName
             val message = buildString {
                 append(context.getString(R.string.are_you_sure_channel))
-                if (primaryChannel.settings == Channel.default.settings)
-                    append("\n\n" + context.getString(R.string.warning_default_psk, humanName))
+                if (primaryChannel.settings == Channel.default.settings) {
+                    append("\n\n")
+                    append(context.getString(R.string.warning_default_psk, primaryChannel.name))
+                }
             }
 
             MaterialAlertDialogBuilder(context)
@@ -290,7 +291,7 @@ fun ChannelScreen(
         if (!showChannelEditor) item {
             ClickableTextField(
                 label = R.string.channel_name,
-                value = primaryChannel?.humanName.orEmpty(),
+                value = primaryChannel?.name.orEmpty(),
                 onClick = { showChannelEditor = true },
                 enabled = enabled,
                 trailingIcon = Icons.TwoTone.Edit,

app/src/test/java/com/geeksville/mesh/model/ChannelSetTest.kt

@@ -11,7 +11,6 @@ class ChannelSetTest {
         val url = Uri.parse("https://meshtastic.org/e/#CgMSAQESBggBQANIAQ")
         val cs = url.toChannelSet()
         Assert.assertEquals("LongFast", cs.primaryChannel!!.name)
-        Assert.assertEquals("#LongFast-I", cs.primaryChannel!!.humanName)
         Assert.assertEquals(url, cs.getChannelUrl(false))
     }
 }