removed unused plugin and legacy license comments from the generated editor theme

ui/public/libs/tinymce/skins/ui/pocketbase/content.css

@@ -1,9 +1,3 @@
-/**
-* Copyright (c) Tiny Technologies, Inc. All rights reserved.
-* Licensed under the LGPL or a commercial license.
-* For LGPL see License.txt in the project root for license information.
-* For commercial licenses see https://www.tiny.cloud/
-*/
 .mce-content-body .mce-item-anchor {
   background: transparent url("data:image/svg+xml;charset=UTF-8,%3Csvg%20width%3D'8'%20height%3D'12'%20xmlns%3D'http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg'%3E%3Cpath%20d%3D'M0%200L8%200%208%2012%204.09117821%209%200%2012z'%2F%3E%3C%2Fsvg%3E%0A") no-repeat center;
   cursor: default;

ui/public/libs/tinymce/skins/ui/pocketbase/content.inline.css

@@ -1,9 +1,3 @@
-/**
-* Copyright (c) Tiny Technologies, Inc. All rights reserved.
-* Licensed under the LGPL or a commercial license.
-* For LGPL see License.txt in the project root for license information.
-* For commercial licenses see https://www.tiny.cloud/
-*/
 .mce-content-body .mce-item-anchor {
   background: transparent url("data:image/svg+xml;charset=UTF-8,%3Csvg%20width%3D'8'%20height%3D'12'%20xmlns%3D'http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg'%3E%3Cpath%20d%3D'M0%200L8%200%208%2012%204.09117821%209%200%2012z'%2F%3E%3C%2Fsvg%3E%0A") no-repeat center;
   cursor: default;

ui/public/libs/tinymce/skins/ui/pocketbase/content.mobile.css

@@ -1,9 +1,3 @@
-/**
-* Copyright (c) Tiny Technologies, Inc. All rights reserved.
-* Licensed under the LGPL or a commercial license.
-* For LGPL see License.txt in the project root for license information.
-* For commercial licenses see https://www.tiny.cloud/
-*/
 .tinymce-mobile-unfocused-selections .tinymce-mobile-unfocused-selection {
   /* Note: this file is used inside the content, so isn't part of theming */
   background-color: green;

ui/public/libs/tinymce/skins/ui/pocketbase/content.mobile.min.css

@@ -1,7 +1 @@
-/**
-* Copyright (c) Tiny Technologies, Inc. All rights reserved.
-* Licensed under the LGPL or a commercial license.
-* For LGPL see License.txt in the project root for license information.
-* For commercial licenses see https://www.tiny.cloud/
-*/
-.tinymce-mobile-unfocused-selections .tinymce-mobile-unfocused-selection{background-color:green;display:inline-block;opacity:.5;position:absolute}body{-webkit-text-size-adjust:none}body img{max-width:96vw}body table img{max-width:95%}body{font-family:sans-serif}table{border-collapse:collapse}
+.tinymce-mobile-unfocused-selections .tinymce-mobile-unfocused-selection{background-color:green;display:inline-block;opacity:.5;position:absolute}body{-webkit-text-size-adjust:none}body img{max-width:96vw}body table img{max-width:95%}body{font-family:sans-serif}table{border-collapse:collapse}

ui/public/libs/tinymce/skins/ui/pocketbase/skin.css

@@ -1,9 +1,3 @@
-/**
-* Copyright (c) Tiny Technologies, Inc. All rights reserved.
-* Licensed under the LGPL or a commercial license.
-* For LGPL see License.txt in the project root for license information.
-* For commercial licenses see https://www.tiny.cloud/
-*/
 .tox {
   box-shadow: none;
   box-sizing: content-box;

ui/public/libs/tinymce/skins/ui/pocketbase/skin.mobile.css

@@ -1,9 +1,3 @@
-/**
-* Copyright (c) Tiny Technologies, Inc. All rights reserved.
-* Licensed under the LGPL or a commercial license.
-* For LGPL see License.txt in the project root for license information.
-* For commercial licenses see https://www.tiny.cloud/
-*/
 /* RESET all the things! */
 .tinymce-mobile-outer-container {
   all: initial;