Remove previousSlaveInLine.tw and nextSlaveInLine.tw, and let Slave Interact...

Remove previousSlaveInLine.tw and nextSlaveInLine.tw, and let Slave Interact handle those functions directly without extra passage changes.

src/uncategorized/nextSlaveInLine.tw

-:: Next Slave In Line
-
-<<silently>>
-
-<<set $i = $slaveIndices[$activeSlave.ID]>>
-<<set $slaves[$i] = $activeSlave>> /* save changes before switching */
-
-<<set $activeSlave = $slaves[$slavesInLine[1]]>>
-
-<<goto "Slave Interact">>
-
-<</silently>>

src/uncategorized/previousSlaveInLine.tw

-:: Previous Slave In Line
-
-<<silently>>
-
-<<set $i = $slaveIndices[$activeSlave.ID]>>
-<<set $slaves[$i] = $activeSlave>> /* save changes before switching */
-
-<<set $activeSlave = $slaves[$slavesInLine[0]]>>
-
-<<goto "Slave Interact">>
-
-<</silently>>

src/uncategorized/slaveInteract.tw

@@ -66,7 +66,7 @@
 		[←,Q]
 	</span>
 	<span id="prevSlave" style="font-weight:bold">
-		<<link "Prev" "Previous Slave In Line">><</link>>
+		<<link "Prev" "Slave Interact">><<set $slaves[_i] = $activeSlave, $activeSlave = $slaves[$slavesInLine[0]]>><</link>>
 	</span>
 	&nbsp;&nbsp;&nbsp;&nbsp;
 	<span class='slave-name'>
@@ -74,7 +74,7 @@
 	</span>
 	&nbsp;&nbsp;&nbsp;&nbsp;
 	<span id="nextSlave" style="font-weight:bold">
-		<<link "Next" "Next Slave In Line">><</link>>
+		<<link "Next" "Slave Interact">><<set $slaves[_i] = $activeSlave, $activeSlave = $slaves[$slavesInLine[1]]>><</link>>
 	</span>
 	<span class="cyan">
 		[E,→]