Change routine names to be strings of char

Routine names were passed as wide strings for the integration with
CodeAnalyst, which no longer exists.

- Rip out the remnants of the CodeAnalyst support
- Change Reactor interface to take routine names as const char *

Bug: b/123193048
Change-Id: I919ce3a55c59c3a08057f85cac994fbffad37614
Reviewed-on: https://swiftshader-review.googlesource.com/c/23908
Reviewed-by: Nicolas Capens <nicolascapens@google.com>
Tested-by: Chris Forbes <chrisforbes@google.com>

docs/Reactor.md

diff --git a/docs/Reactor.md b/docs/Reactor.md
index 682052f..7085cc8 100644
--- a/docs/Reactor.md
+++ b/docs/Reactor.md
@@ -61,7 +61,7 @@
 The Routine is obtained and materialized by "calling" the ```Function<>``` object to give it a name:

 

 ```C++

-Routine *routine = function(L"one");

+Routine *routine = function("one");

 ```

 

 Finally, we can obtain the function pointer to the entry point of the routine, and call it: