Setup: Remove various Profile sections

Setup: Remove various Profile sections

Before:
- Setup.php
- - Setup.php-defaults
- - Setup.php-validation
- - Setup.php-defaults2
- - Setup.php-misc1
- - Setup.php-memcached
- - Setup.php-globals
- - - Setup.php-session
- - Setup.php-extensions
- - - Setup.php-extensions-{extensionName}
- - - Setup.php-autocreate

After:
- Setup.php
- - Setup.php-defaults
- - Setup.php-defaults2
- - Setup.php-misc
- - Setup.php-globals
- - Setup.php-extensions

The removed sections are mainly things were essentially sections
consisting of one invocation, which profilers already track
natively.

Bug: T189966
Change-Id: I1ed648cdcca9e5a9ea7013394381eacd67f327a3