[Observability] Remove app logos (#72259) (#72391)

* removing app logos

* fixing TS error

Co-authored-by: Cauê Marcondes <55978943+cauemarcondes@users.noreply.github.com>

x-pack/plugins/observability/public/components/app/empty_section/index.tsx

@@ -15,8 +15,6 @@ export const EmptySection = ({ section }: Props) => {
   return (
     <EuiEmptyPrompt
       style={{ maxWidth: 'none' }}
-      iconType={section.icon}
-      iconColor="default"
       title={<h2>{section.title}</h2>}
       titleSize="xs"
       body={<EuiText color="default">{section.description}</EuiText>}

x-pack/plugins/observability/public/pages/landing/index.tsx

@@ -10,7 +10,6 @@ import {
   EuiFlexGrid,
   EuiFlexGroup,
   EuiFlexItem,
-  EuiIcon,
   EuiImage,
   EuiSpacer,
   EuiText,
@@ -19,10 +18,10 @@ import {
 import { i18n } from '@kbn/i18n';
 import React, { useContext } from 'react';
 import styled, { ThemeContext } from 'styled-components';
+import { IngestManagerPanel } from '../../components/app/ingest_manager_panel';
 import { WithHeaderLayout } from '../../components/app/layout/with_header';
 import { usePluginContext } from '../../hooks/use_plugin_context';
 import { appsSection } from '../home/section';
-import { IngestManagerPanel } from '../../components/app/ingest_manager_panel';
 
 const EuiCardWithoutPadding = styled(EuiCard)`
   padding: 0;
@@ -68,7 +67,6 @@ export const LandingPage = () => {
                     <EuiCardWithoutPadding
                       display="plain"
                       layout="horizontal"
-                      icon={<EuiIcon size="l" type={app.icon} />}
                       title={
                         <EuiTitle size="xs" className="title">
                           <h3>{app.title}</h3>