Removed unused styles

Signed-off-by: snipe <snipe@snipe.net>

resources/assets/less/404_500_errors.less

@@ -0,0 +1,36 @@
+/*
+ * Page: 400 and 500 error pages
+ * ------------------------------
+ */
+.error-page {
+  width: 600px;
+  margin: 20px auto 0 auto;
+  @media (max-width: @screen-sm-max) {
+    width: 100%;
+  }
+  //For the error number e.g: 404
+  > .headline {
+    float: left;
+    font-size: 100px;
+    font-weight: 300;
+    @media (max-width: @screen-sm-max) {
+      float: none;
+      text-align: center;
+    }
+  }
+  //For the message
+  > .error-content {
+    margin-left: 190px;
+    @media (max-width: @screen-sm-max) {
+      margin-left: 0;
+    }
+    > h3 {
+      font-weight: 300;
+      font-size: 25px;
+      @media (max-width: @screen-sm-max) {
+        text-align: center;
+      }
+    }
+    display: block;
+  }
+}

resources/assets/less/AdminLTE-without-plugins.less

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+/*!
+ * AdminLTE v2.4.18
+ * Without Third-Party Plugins
+ * 
+ *   Author:  Colorlib
+ *   Support: <https://github.com/ColorlibHQ/AdminLTE/issues>
+ *   Repository: git://github.com/ColorlibHQ/AdminLTE.git
+ *   License: MIT <http://opensource.org/licenses/MIT>
+ */
+
+//Bootstrap Variables & Mixins
+//The core bootstrap code have not been modified. These files
+//are included only for reference.
+@import (reference) "../bootstrap-less/mixins";
+@import (reference) "../bootstrap-less/variables";
+//MISC
+//----
+@import "core";
+@import "variables";
+@import "mixins";
+//COMPONENTS
+//-----------
+@import "header";
+@import "sidebar";
+@import "sidebar-mini";
+@import "control-sidebar";
+@import "dropdown";
+@import "forms";
+@import "progress-bars";
+@import "small-box";
+@import "boxes";
+@import "info-box";
+@import "timeline";
+@import "buttons";
+@import "callout";
+@import "alerts";
+@import "navs";
+@import "products";
+@import "table";
+@import "labels";
+@import "direct-chat";
+@import "users-list";
+@import "carousel";
+@import "modal";
+@import "social-widgets";
+@import "treeview";
+//PAGES
+//------
+@import "mailbox";
+@import "lockscreen";
+@import "login_and_register";
+@import "404_500_errors";
+@import "invoice";
+@import "profile";
+//Miscellaneous
+//-------------
+@import "miscellaneous";
+@import "print";

resources/assets/less/plugins.less

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+// Customized third-party plugins
+@import "bootstrap-social.less";
+@import "fullcalendar.less";
+@import "select2.less";
+@import "datepicker";

resources/assets/less/treeview.less

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+	// Tree view menu
+.treeview-menu {
+	display: none;
+	list-style: none;
+	padding: 0;
+	margin: 0;
+	padding-left: 5px;
+	.treeview-menu {
+	  padding-left: 20px;
+	}
+	> li {
+	  margin: 0;
+	  > a {
+	    padding: 5px 5px 5px 15px;
+	    display: block;
+	    font-size: 14px;
+	    > .fa,
+	    > .glyphicon,
+	    > .ion {
+	      width: 20px;
+	    }
+	    > .pull-right-container > .fa-angle-left,
+	    > .pull-right-container > .fa-angle-down,
+	    > .fa-angle-left,
+	    > .fa-angle-down {
+	      width: auto;
+	    }
+	  }
+	}
+}
+
+.treeview {
+	> ul.treeview-menu {
+		overflow: hidden;
+		height:auto;
+		padding-top:0px !important;
+		padding-bottom: 0px !important;
+	}
+}
+.treeview.menu-open {
+	> ul.treeview-menu {
+		 overflow: visible;
+  		height:auto;
+	}
+}