Remove Critical Trace Support (#327)

* Delete core critical-trace files

* Update docs and README

* Update workflows

* Update testing

* Update cmake

* Remove critical trace usage in source code

* Update source/docs/critical_trace.md

- fix spelling

* Formatting

* Update bin/omnitrace-avail/avail.cpp

- statically allocate shared pointers for timemory manager and hash id/aliases to prevent use-after-free errors

source/docs/features.md

@@ -25,7 +25,6 @@ manage extensions, resources, data, etc.
   - Background thread records process-, system- and device-level metrics while the application executes
 - Causal profiling
   - Quantifies the potential impact of optimizations in parallel codes
-- Critical trace generation
 
 ### Data Analysis
 
@@ -35,7 +34,6 @@ manage extensions, resources, data, etc.
 - Comprehensive traces
   - Every individual event/measurement
 - Application speedup predictions resulting from potential optimizations in functions and lines of code (causal profiling)
-- Critical trace analysis (alpha)
 
 ### Parallelism API Support