EditorToolBar: minor string improvement

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@45953 4005530d-fff6-0310-9dd1-cebe43e6787f
EditorToolBar: removed complicated warning generation which caused to appear ampersand in its text and didn't entirely protect from menu caption change anyway

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@45954 4005530d-fff6-0310-9dd1-cebe43e6787f