Nuke unrealistic megamorphic exception benchmarks

Author: msimacek

graalpython/com.oracle.graal.python.benchmarks/python/micro/try-except-sized.py

@@ -89,9 +89,7 @@
     'mmap-anonymous-sized': ITER_10 + ['20_000'],
     'mmap-file': ITER_10 + ['1000'],
     'generate-functions-sized': ITER_15 + ['500_000_000'],
-    'try-except-sized': ITER_10 + ['100_000_000'],
     'try-except-simple': ITER_10 + ['500_000_000'],
-    'try-except-store-sized': ITER_10 + ['100_000_000'],
     'try-except-store-simple': ITER_10 + ['500_000_000'],
     'try-except-store-two-types': ITER_10 + ['100_000_000'],
     'try-except-two-types': ITER_10 + ['100_000_000'],