remove dead documentation code

doc/kate/plugins.docbook

@@ -78,11 +78,6 @@ Quick document switching with <keycombo action="simul">&Alt;&Tab;</keycombo> beh
 <para><link linkend="kate-application-plugin-gdb">&gdb;</link> - Provides a
 simple &gdb; frontend</para>
 </listitem>
-<!--from workspace/plasma-sdk, why picked up here?
-<listitem>
-<para>Icon picker - Invokes Cuttlefish icon picker</para>
-</listitem>
--->
 <listitem>
 <para><link linkend="kate-application-plugin-projects">Project Plugin</link> - Integration with &git; and other source control systems</para>
 </listitem>
@@ -1536,7 +1531,7 @@ View.</para></listitem>
 <varlistentry>
 <term><guilabel>Show Toolbar</guilabel></term>
 <listitem><para>When Tree View and this option are enabled, a toolbar with
-actions like <guibutton>Save</guibutton> is displayed above the 
+actions like <guibutton>Save</guibutton> is displayed above the
 list of documents. Uncheck this option if the toolbar should be
 hidden.</para></listitem>
 </varlistentry>