php7: Clean up and update distributed php.ini for php 7.4.25

php7: Clean up and update distributed php.ini for php 7.4.25

Details:
- Cleaned up whitespace and removed comments (refer to official PHP documentation for that)
- Removed directives that no longer exist as of PHP 7.4.25
- Added '~E_DEPRECATED' to 'error_reporting'

Directives removed that no longer exist as of PHP 7.4.25:
- zend.ze1_compatibility_mode
- y2k_compliance
- register_globals
- register_long_arrays
- magic_quotes_gpc
- magic_quotes_runtime
- magic_quotes_sybase
- always_populate_raw_post_data

Signed-off-by: Giovanni Giacobbi <giovanni@giacobbi.net>