move some chapters to the rustc-guide

Author: mark-i-m

src/SUMMARY.md

@@ -6,11 +6,8 @@
 - [Community](./community/README.md)
     - [State of Rust Survey FAQ](./community/survey-faq.md)
 - [Compiler](./compiler/README.md)
-    - [Bug Fix Procedure](./compiler/bug-fix-procedure.md)
     - [Cross Compilation](./compiler/cross-compilation/README.md)
         - [Windows](./compiler/cross-compilation/windows.md)
-    - [Diagnostic Codes](./compiler/diagnostic-codes.md)
-    - [Profiling Queries](./compiler/profile-queries.md)
     - [Triage Meeting](./compiler/triage-meeting.md)
     - [Steering Meeting](./compiler/steering-meeting.md)
         - [Submitting a proposal](./compiler/steering-meeting/submit.md)