Fix disappearing buttons inside of Services blocks

[jgutierrezmoren-godaddy]

Description

Removed 'Display button' toggle from the services and service blocks.
Link to issue WPEX-3677

Types of changes

Bug fix (non-breaking change which fixes an issue)

How has this been tested?

Manual regression testing

Acceptance criteria

'Display button' toggle should be completely removed after deciding to allow users to place buttons within the inner blocks if they choose.

Checklist:

• Code is tested so that the removed feature does not introduce any issues

[AnthonyLedesma]

This test must be changed

coblocks/src/blocks/services/test/services.cypress.js

Lines 91 to 107 in 0206e8e

	/**
	* Test that we can add a services block to the content, enable
	* action buttons and are able to successfully save the block without errors.
	*/
	it( 'Test services block saves with action buttons enabled.', function() {
	helpers.addBlockToPost( 'coblocks/services', true );
	cy.get( 'div.wp-block-button' ).should( 'not.exist' );
	helpers.toggleSettingCheckbox( /display buttons/i );
	cy.get( '.wp-block-buttons' ).should( 'have.length', 2 );
	helpers.savePage();
	helpers.checkForBlockErrors( 'coblocks/services' );
	} );

[AnthonyLedesma]

Great work. I was not able to break the block, or trigger a deprecation error. Should be good to release.