[Turboprop] Revert turboprop implication from --future.

Got the data we need for now, reverting to enable --concurrent-inlining
clean data on --future.

BUG=v8:9684

Change-Id: I80b5bac1e852cb9f0915434a75115f6a59be8943
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3089154Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Commit-Queue: Ross McIlroy <rmcilroy@chromium.org>
Cr-Commit-Position: refs/heads/master@{#76228}

src/flags/flag-definitions.h

@@ -494,7 +494,6 @@ DEFINE_WEAK_IMPLICATION(future, sparkplug)
 #if V8_SHORT_BUILTIN_CALLS
 DEFINE_WEAK_IMPLICATION(future, short_builtin_calls)
 #endif
-DEFINE_WEAK_IMPLICATION(future, turboprop)
 
 // Flags for jitless
 DEFINE_BOOL(jitless, V8_LITE_BOOL,

tools/testrunner/local/variants.py

@@ -58,8 +58,7 @@ INCOMPATIBLE_FLAGS_PER_VARIANT = {
   "nooptimization": ["--always-opt"],
   "slow_path": ["--no-force-slow-path"],
   "stress_concurrent_allocation": ["--single-threaded-gc", "--predictable"],
-  "stress_concurrent_inlining": ["--single-threaded", "--predictable", "--future", "--turboprop"],
-  "future": ["--stress_concurrent_inlining"],
+  "stress_concurrent_inlining": ["--single-threaded", "--predictable", "--turboprop"],
   "turboprop": ["--stress_concurrent_inlining"],
   # The fast API tests initialize an embedder object that never needs to be
   # serialized to the snapshot, so we don't have a
@@ -108,7 +107,6 @@ INCOMPATIBLE_FLAGS_PER_EXTRA_FLAG = {
         INCOMPATIBLE_FLAGS_PER_VARIANT["stress_concurrent_allocation"],
   "--stress-concurrent-inlining":
         INCOMPATIBLE_FLAGS_PER_VARIANT["stress_concurrent_inlining"],
-  "--future": INCOMPATIBLE_FLAGS_PER_VARIANT["future"],
 }
 
 SLOW_VARIANTS = set([