LLFloaterNewIM was no longer used, I plucked it out.

indra/newview/skins/default/xui/en-us/floater_new_im.xml

@@ -1,23 +0,0 @@
-<?xml version="1.0" encoding="utf-8" standalone="yes" ?>
-<floater border="true" bottom="-297" can_close="false" can_drag_on_left="false"
-     can_minimize="false" can_resize="false" can_tear_off="false" enabled="true"
-     follows="left|top|right|bottom" height="296" label="New IM" left="1"
-     min_height="100" min_width="100" mouse_opaque="false" name="New IM"
-     title="New IM" width="501">
-	<name_list allow_calling_card_drop="false" background_visible="true" bottom="-293"
-	     column_padding="5" draw_border="true" draw_heading="false"
-	     draw_stripes="true" enabled="true" follows="left|top|right|bottom"
-	     height="290" left="6" mouse_opaque="true" multi_select="false"
-	     name="user_list" width="421" />
-	<button bottom="-271" enabled="true" follows="right|bottom" font="SansSerif"
-	     halign="center" height="20" label="Start" label_selected="Start" left="435"
-	     mouse_opaque="true" name="start_btn" scale_image="true" sound_flags="0"
-	     width="60" />
-	<button bottom="-293" enabled="true" follows="right|bottom" font="SansSerif"
-	     halign="center" height="20" label="Close" label_selected="Close" left="435"
-	     mouse_opaque="true" name="close_btn" scale_image="true" sound_flags="0"
-	     width="60" />
-	<string name="online_descriptor">
-		(online)
-	</string>
-</floater>

indra/newview/skins/default/xui/es/floater_new_im.xml

@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="utf-8" standalone="yes" ?>
-<floater label="Nuevo MI" name="New IM" title="Nuevo MI">
-	<button label="Iniciar" label_selected="Iniciar" name="start_btn"/>
-	<button label="Cerrar" label_selected="Cerrar" name="close_btn"/>
-	<string name="online_descriptor">
-		(en línea)
-	</string>
-</floater>

indra/newview/skins/default/xui/fr/floater_new_im.xml

@@ -1,11 +0,0 @@
-<?xml version="1.0" encoding="utf-8" standalone="yes" ?>
-<floater label="IM" name="New IM" title="IM">
-	<button label="Commencer" label_selected="Commencer" name="start_btn"/>
-	<button label="Fermer" label_selected="Fermer" name="close_btn"/>
-	<text name="name_format">
-		[NAME]
-	</text>
-	<string name="online_descriptor">
-		(connecté(e))
-	</string>
-</floater>

indra/newview/skins/default/xui/pt/floater_new_im.xml

@@ -1,11 +0,0 @@
-<?xml version="1.0" encoding="utf-8" standalone="yes" ?>
-<floater label="Nova MI" name="New IM" title="Nova MI">
-	<button label="Iniciar" label_selected="Iniciar" name="start_btn" />
-	<button label="Fechar" label_selected="Fechar" name="close_btn" />
-	<text name="name_format">
-		[FIRST] [LAST]
-	</text>
-	<text name="online_descriptor">
-		(online)
-	</text>
-</floater>