replace run_cmd with run_shell_cmd in custom easyblock for Hadoop (hadoop.py)

[branfosj]

(created using eb --new-pr)

• no use of EB_Hadoop in easyconfigs or blocks

[branfosj]

Test report by @branfosj

Overview of tested easyconfigs (in order)

• SUCCESS protobuf-2.5.0-GCCcore-10.2.0.eb
• SUCCESS libtirpc-1.3.1-GCCcore-10.2.0.eb
• SUCCESS Hadoop-2.10.0-GCCcore-10.2.0-native-Java-1.8.eb

Build succeeded for 3 out of 3 (1 easyconfigs in total)
bear-pg0105u03a - Linux RHEL 8.6, x86_64, Intel(R) Xeon(R) Platinum 8360Y CPU @ 2.40GHz (icelake), Python 3.6.8
See https://gist.github.com/branfosj/83d5125f9d4becd59af27923ef46e417 for a full test report.

[jfgrimm]

lgtm

[boegel]

Test report by @boegel

Overview of tested easyconfigs (in order)

• SUCCESS Hadoop-2.10.0-GCCcore-10.2.0-native-Java-1.8.eb

Build succeeded for 1 out of 1 (1 easyconfigs in total)
node3557.doduo.os - Linux RHEL 8.8, x86_64, AMD EPYC 7552 48-Core Processor, Python 3.6.8
See https://gist.github.com/boegel/54ce81baf4a74eb473f8d6705f781cfd for a full test report.

[boegel]

lgtm