fix(email): remove deprecate functions from Email files

[raftaar1191]

Issue Overview

Remove deprecate function from includes/emails/functions.php
https://github.com/WordImpress/Give/blob/release/2.0.3/includes/emails/functions.php#L38

Expected Behavior

Remove all the function that are being deprecate

Current Behavior

using the deprecate function

Todos

• Tests
• Documentation

WordPress Environment

``` ### WordPress Environment ###

Home URL: http://give18.local
Site URL: http://give18.local
WP Version: 4.9.4
WP Multisite: –
WP Memory Limit: 256 MB
WP Debug Mode: ✔
WP Cron: ✔
Language: en_US
Permalink Structure: /%year%/%monthnum%/%day%/%postname%/
Show on Front: posts
Table Prefix Length: wpgive_
Table Prefix Length: 7
Table Prefix Status: Acceptable
Admin AJAX: Accessible
Registered Post Statuses: publish, future, draft, pending, private, trash, auto-draft, inherit, charitable-pending, charitable-completed, charitable-failed, charitable-cancelled, charitable-refunded, charitable-preapproved, refunded, failed, revoked, cancelled, abandoned, processing, preapproval, give_subscription

Server Environment

Hosting Provider: DBH: localhost, SRV: give18.local
TLS Connection: Connection uses TLS 1.2
TLS Connection: Probably Okay
Server Info: nginx/1.10.1
PHP Version: 7.0.3
PHP Post Max Size: 1,000 MB
PHP Time Limit: 900
PHP Max Input Vars: 3000
PHP Max Upload Size: 1,000 MB
cURL Version: ❌ 7.38.0, OpenSSL/1.0.1t - We recommend a minimum cURL version of 7.40.
SUHOSIN Installed: –
MySQL Version: ❌ 5.5.55 - We recommend a minimum MySQL version of 5.6. See: WordPress Requirements
Default Timezone is UTC: ✔
fsockopen/cURL: ✔
SoapClient: ✔
DOMDocument: ✔
gzip: ✔
GD Graphics Library: ✔
Multibyte String: ✔
Remote Post: ✔
Remote Get: ✔

Give Configuration

Give Version: 2.0.3
Give Cache: Enabled
Database Updates: All DB Updates Completed.
Give Cache: Enabled
Give Cache: ✔New Donation✔Donation Receipt✔New Offline Donation✔Offline Donation Instructions✔New User Registration✔User Registration Information✔Email access❌Renewal Receipt Email❌Subscription Cancelled Email
Upgraded From: –
Test Mode: Enabled
Currency Code: GBP
Currency Position: Before
Decimal Separator: .
Thousands Separator: ,
Success Page: http://give18.local/donation-confirmation/
Failure Page: http://give18.local/donation-failed/
Donation History Page: http://give18.local/donation-history/
Give Forms Slug: /donations/
Enabled Payment Gateways: Test Donation, Offline Donation, PayPal Standard, 2Checkout
Default Payment Gateway: Test Donation
PayPal IPN Verification: Enabled
PayPal IPN Notifications: N/A
Donor Email Access: Enabled

Session Configuration

Give Use Sessions: Enabled
Session: Disabled

Active Give Add-ons

Give - 2Checkout Gateway: ❌ Unlicensed – by WordImpress – 1.0.2
Give - Authorize.net Gateway: ❌ Unlicensed – by WordImpress – 1.3.2
Give - Braintree Gateway: ❌ Unlicensed – by WordImpress – 1.1.1
Give - CCAvenue Gateway: ❌ Unlicensed – by WordImpress – 1.0
Give - ConvertKit: ❌ Unlicensed – by WordImpress – 1.0.1
Give - CSV Toolbox: ❌ Unlicensed – by WordImpress – 1.0
Give - Display Donors: ❌ Unlicensed – by WordImpress, LLC – 1.0
Give - Dwolla Gateway: ❌ Unlicensed – by WordImpress – 1.1.2
Give - Email Reports: ❌ Unlicensed – by WordImpress – 1.0
Give - Fee Recovery: ❌ Unlicensed – by WordImpress – 1.3.8
Give - Form Countdown: ❌ Unlicensed – by WordImpress – 1.0
Give - Form Field Manager: ❌ Unlicensed – by WordImpress – 1.2.6
Give - Gift Aid: ❌ Unlicensed – by WordImpress – 1.1
Give - Google Analytics Donation Tracking: ❌ Unlicensed – by WordImpress – 1.1.1
Give - MailChimp: ❌ Unlicensed – by WordImpress – 1.3.7
Give - Manual Donations: ❌ Unlicensed – by WordImpress – 1.2.2
Give - Paymill Gateway: ❌ Unlicensed – by WordImpress – 1.1
Give - PDF Receipts: ❌ Unlicensed – by WordImpress – 2.2.4
Give - Recurring Donations: ❌ Unlicensed – by WordImpress – 1.5.4
Give - Stripe Gateway: ❌ Unlicensed – by WordImpress – 1.5.2
Give - Tributes: ❌ Unlicensed – by WordImpress – 1.3.6

Other Active Plugins

Charitable: by WP Charitable – 1.5.9
Give - Development Plugin: by Raftaar1191 – 1.0.0

Inactive Plugins

Duplicate Post: by Enrico Battocchi – 3.2.1
Give - AWeber: by WordImpress – 1.0.2
Loco Translate: by Tim Whitlock – 2.0.17
Polylang: by Frédéric Demarle – 2.3
WooCommerce: by Automattic – 3.2.6
WP Hide & Security Enhancer: by Nsp Code – 1.4.7.6
WPS Hide Login: by Remy Perona for WPServeur – 1.2.1

Theme

Name: Twenty Sixteen
Version: 1.4
Author URL: https://wordpress.org/
Child Theme: No – If you're modifying Give on a parent theme you didn't build personally, then we recommend using a child theme. See: How to Create a Child Theme

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