RFR: 8348367: Remove hotspot_not_fast_compiler and hotspot_slow_compiler test groups [v2]

[Leonid Mesnik]

> Test groups
> hotspot_not_fast_compiler and hotspot_slow_compiler test
> were used by Oracle. However, now tier2/tier3 are used instead.
> 
> So fix remove groups. and add exclusion of "slow" tests from tier1 groups. The content remains the same except 
> -compiler/memoryinitialization/ZeroTLABTest.java 
> int tier1_compiler_3.
> 
> 
> The tier1/2/3 are organized similar to tiers in other groups where
> tier1 = set of groups 
>   - some long tests/groups
> tier2 = set of groups
>   - some long tests/groups
>  - tier1
>  tier3 =
>   hotspot_compiler
>  - tier1
>  - tier2
> 
> 
> The  test group
>  compiler/codegen/ \
> was in the tier1 and tier2, so should be removed it from tier2, not tests are affected.

Leonid Mesnik has updated the pull request incrementally with one additional commit since the last revision:

  arraycopy reverted

-------------

Changes:
  - all: https://git.openjdk.org/jdk/pull/23253/files
  - new: https://git.openjdk.org/jdk/pull/23253/files/518e9f13..55f7352f

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=23253&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=23253&range=00-01

  Stats: 3 lines in 1 file changed: 3 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/23253.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/23253/head:pull/23253

PR: https://git.openjdk.org/jdk/pull/23253