[strong] Remove all remainders of strong mode

test/mjsunit/mjsunit.status

Index: test/mjsunit/mjsunit.status
diff --git a/test/mjsunit/mjsunit.status b/test/mjsunit/mjsunit.status
index 9edac479c80ef81976fb55a2f26b2fa1448ba91c..5c1b63c5484bfc928cada82acc7090b795b3709f 100644
--- a/test/mjsunit/mjsunit.status
+++ b/test/mjsunit/mjsunit.status
@@ -92,7 +92,6 @@
   # Proxy tests rely on non ES6 version of Proxies
   # TODO(neis,cbruni): figure out which Proxy tests can be reused
   'harmony/proxies-example-membrane': [SKIP],
-  'strong/load-proxy': [SKIP],
 
   # Issue 3660: Replacing activated TurboFan frames by unoptimized code does
   # not work, but we expect it to not crash.
@@ -121,27 +120,6 @@
   'debug-listbreakpoints': [PASS, NO_VARIANTS],  # arm64 nosnap with turbofan
   'debug-enable-disable-breakpoints': [PASS, NO_VARIANTS],  #arm64 nosnap with turbofan.
 
-  # Issue 3956: Strong mode is deprecating. The expectations inside the
-  # following tests should be updated once deprecation is complete.
-  'strong/class-extend-null': [SKIP],
-  'strong/class-literals': [SKIP],
-  'strong/class-object-frozen': [SKIP],
-  'strong/destructuring': [SKIP],
-  'strong/functions': [SKIP],
-  'strong/implicit-conversions': [SKIP],
-  'strong/implicit-conversions-count': [SKIP],
-  'strong/implicit-conversions-inlining': [SKIP],
-  'strong/load-builtins': [SKIP],
-  'strong/load-element': [SKIP],
-  'strong/load-element-mutate-backing-store': [SKIP],
-  'strong/load-property': [SKIP],
-  'strong/load-property-mutate-backing-store': [SKIP],
-  'strong/load-super': [SKIP],
-  'strong/literals': [SKIP], # Rest arguments do not respect strongness in Turbofan.
-  'strong/object-delete': [SKIP],
-  'strong/object-freeze-property': [SKIP],
-  'strong/object-set-prototype': [SKIP],
-
   # Issue 4035: unexpected frame->context() in debugger
   'regress/regress-crbug-107996': [PASS, NO_VARIANTS],
   'regress/regress-crbug-171715': [PASS, NO_VARIANTS],
@@ -390,9 +368,6 @@
   # BUG(v8:4237)
   'regress/regress-3976': [SKIP],
 
-  # BUG(v8:4359)
-  'strong/load-proxy': [SKIP],
-
   # Slow tests.
   'array-constructor': [PASS, SLOW],
   'json': [PASS, SLOW],
@@ -857,8 +832,6 @@
   'harmony/iterator-close': [FAIL],
   'harmony/reflect-construct': [FAIL],
   'es6/promises': [FAIL],
-  'strong/function-arity': [FAIL],
-  'strong/undefined': [FAIL],
 
   # TODO(mythria, 4780): Related to type feedback for calls in interpreter.
   'array-literal-feedback': [FAIL],
@@ -911,8 +884,6 @@
 ['gcov_coverage', {
   # Tests taking too long.
   'array-functions-prototype-misc': [SKIP],
-  'strong/implicit-conversions': [SKIP],
-  'strong/load-element-mutate-backing-store': [SKIP],
 
   # Stack overflow.
   'big-array-literal': [SKIP],