remove backtrace (now part of vendor)

preparing to do a full rewrite of the prototype (curation of old code)

code/grime/assert.odin

@@ -5,34 +5,6 @@ import "core:io"
 import "core:os"
 import "core:text/table"
 
-dump_stacktrace :: proc( allocator := context.temp_allocator ) -> string
-{
-	trace_result := stacktrace()
-	lines, error := stacktrace_lines( trace_result )
-
-	padding := "    "
-
-	log_table := table.init( & table.Table{}, context.temp_allocator, context.temp_allocator )
-	for line in lines {
-		table.row( log_table, padding, line.symbol, " - ", line.location )
-	}
-	// table.build(log_table)
-	// TODO(Ed): regression with the stack trace lib
-
-	writer_builder : StringBuilder
-	str_builder_init( & writer_builder, allocator = allocator )
-
-	writer := to_writer( & writer_builder )
-	for row in 2 ..< log_table.nr_rows   {
-		for col in 0 ..< log_table.nr_cols {
-			table.write_table_cell( writer, log_table, row, col )
-		}
-		io.write_byte( writer, '\n' )
-	}
-
-	return to_string( writer_builder )
-}
-
 ensure :: #force_inline proc( condition : b32, msg : string, location := #caller_location )
 {
 	if condition {

code/grime/pkg_mappings.odin

@@ -128,11 +128,6 @@ import "core:unicode/utf8"
 
 //#endregion("core")
 
-import "thirdparty:backtrace"
-	StackTraceData   :: backtrace.Trace_Const
-	stacktrace       :: backtrace.trace
-	stacktrace_lines :: backtrace.lines
-
 //#region("Proc overload mappings")
 
 array_append :: proc {