Revert "add grid/SelectFeature.js"

This reverts commit e58445b3a4.

This is no longer required, because we can simply set:

    viewConfig: {
	enableTextSelection: true
    },

Makefile

@@ -31,7 +31,6 @@ JSSRC=					\
 	form/RRDTypeSelector.js		\
 	button/Button.js		\
 	button/HelpButton.js		\
-	grid/SelectFeature.js		\
 	grid/ObjectGrid.js		\
 	grid/PendingObjectGrid.js	\
 	panel/InputPanel.js		\

grid/SelectFeature.js

@@ -1,36 +0,0 @@
-Ext.override(Ext.view.Table, {
-    afterRender: function() {
-        var me = this;
-        
-        me.callParent();
-// EXT5DEBUG
-//        me.mon(me.el, {
-//            scroll: me.fireBodyScroll,
-//            scope: me
-//        });
-//	if (!me.featuresMC ||
-//	    (me.featuresMC.findIndex('ftype', 'selectable') < 0)) {
-//            me.el.unselectable();
-//	}
-//
-//        me.attachEventsForFeatures();
-    }
-});
-
-Ext.define('Proxmox.grid.SelectFeature', {
-    extend: 'Ext.grid.feature.Feature',
-    alias: 'feature.selectable',
-
-    mutateMetaRowTpl: function(metaRowTpl) {
-	var tpl, i,
-	ln = metaRowTpl.length;
-	
-	for (i = 0; i < ln; i++) {
-	    tpl = metaRowTpl[i];
-	    tpl = tpl.replace(/x-grid-row/, 'x-grid-row x-selectable');
-	    tpl = tpl.replace(/x-grid-cell-inner x-unselectable/g, 'x-grid-cell-inner');
-	    tpl = tpl.replace(/unselectable="on"/g, '');
-	    metaRowTpl[i] = tpl;
-	}
-    }	
-});