partition-jlg-theme/resources/styles/custom-editor-style.css

.edit-post-header > div:first-of-type,
.block-editor-block-toolbar {
    display: none !important;
}

/* .block-library-classic__toolbar
 */

#mceu_54-body > div:first-of-type,
#mceu_54-body > div:nth-of-type(2),
#mceu_54-body > div:nth-of-type(4),
#mceu_54-body > div:nth-of-type(5),
#mceu_54-body > div:nth-of-type(6),
#mceu_54-body > div:nth-of-type(7),
#mceu_54-body > div:nth-of-type(8),
#mceu_54-body > div:nth-of-type(9),
#mceu_54-body > div:nth-of-type(10),
#mceu_54-body > div:nth-of-type(11),
#mceu_54-body > div:nth-of-type(12),
#mceu_54-body > div:nth-of-type(13),
#mceu_54-body > div:nth-of-type(14) {
    display: none !important;
}

.edit-post-header-toolbar__left > button:first-of-type,
.edit-post-header-toolbar__left > div:first-of-type,
.edit-post-header-toolbar__left > button:last-of-type {
    display: none !important;
}

.edit-post-header__settings > button:first-of-type,
.edit-post-header__settings > div:first-of-type,
.edit-post-header__settings > div:last-of-type,
.edit-post-header__settings > button:last-of-type,
.block-editor-inserter,
.components-panel__header ul > li:last-of-type {
    display: none !important;
}

.components-panel > div:not(:first-of-type),
.edit-post-post-status > h2,
.edit-post-post-status > div:nth-of-type(3) {
    display: none !important;
}

.rvy-author-selection,
.rvy-submission-div > a:last-of-type,
.revision-created > a {
    display: none !important;
}

#bulk-action-selector-top > option[value="submit_revision"],
#bulk-action-selector-top > option[value="approve_revision"],
#bulk-action-selector-top > option[value="decline_revision"],
#bulk-action-selector-top > option[value="publish_revision"] {
    display: none !important;
}