No need to cache the profiler_runtime flag

This cache struct entry was a relic from when profiler availability was
communicated via an environment variable rather than a command-line flag.

Author: Zalathar

src/tools/compiletest/src/header/needs.rs

@@ -101,7 +101,7 @@ pub(super) fn handle_needs(
 },
 Need{
 name:"needs-profiler-runtime",
-condition:cache.profiler_runtime,
+condition:config.profiler_runtime,
 ignore_reason:"ignored when the profiler runtime is not available",
 },
 Need{
@@ -220,7 +220,6 @@ pub(super) struct CachedNeedsConditions {
 sanitizer_memtag:bool,
 sanitizer_shadow_call_stack:bool,
 sanitizer_safestack:bool,
-profiler_runtime:bool,
 xray:bool,
 rust_lld:bool,
 dlltool:bool,
@@ -247,7 +246,6 @@ impl CachedNeedsConditions {
 sanitizer_memtag: sanitizers.contains(&Sanitizer::Memtag),
 sanitizer_shadow_call_stack: sanitizers.contains(&Sanitizer::ShadowCallStack),
 sanitizer_safestack: sanitizers.contains(&Sanitizer::Safestack),
-profiler_runtime: config.profiler_runtime,
 xray: config.target_cfg().xray,
 
 // For tests using the `needs-rust-lld` directive (e.g. for `-Clink-self-contained=+linker`),