Remove class-access micro benchmark, it was too flaky

Author: msimacek

graalpython/com.oracle.graal.python.benchmarks/python/micro/class-access.py

@@ -67,7 +67,6 @@
     'boolean-logic-sized': ITER_10 + ['5_000'],
     'builtin-len-tuple-sized': ITER_10 + ['1_000_000_000'],
     'builtin-len': ITER_10 + [],
-    'class-access': ITER_15 + ['10_000'],
     'call-method-polymorphic': ITER_10 + ['1000'],
     'for-range': ITER_15 + ['50000'],
     'function-call-sized': ITER_10 + ['2_000_000_000'],
@@ -132,7 +131,6 @@
     'builtin-len-tuple-sized': ITER_6 + WARMUP_2 + ['10_000_000'],
     'builtin-len': ITER_10 + WARMUP_2 + ['2_500_000'],
     'bytecode-benchmark': ITER_6 + WARMUP_2 + ['500'],
-    'class-access': ITER_6 + WARMUP_2 + ['40'],
     'call-method-polymorphic': ITER_6 + WARMUP_2 + ['10'],
     'for-range': ITER_10 + WARMUP_2 + WARMUP_2 + ['50'],
     'function-call-sized': ITER_10 + WARMUP_2 + ['2_000_000'],