Remove checkstyle line length suppressions

[dakrone]

We've carried these suppressions around for a long time, so this is a meta issue to track removal of the suppressions

They are roughly separated into the following packages (when you assign one, please do the work for both master and 6.x branches):

• org.elasticsearch.action.admin.cluster @tomcallahan Remove remaining line length violations for o.e.action.admin.cluster #35156
• org.elasticsearch.action.admin.indices @gwbrown [Style] Fix line lengths in action.admin.indices #34890
• org.elasticsearch.action.bulk/delete/explain/get/index @jakelandis Enforce 140 char line lengths for packages action.bulk/delete/explain/get/index #34885
• org.elasticsearch.action.ingest @jdconrad [Style] Remove line length violations from ingest actions #34886
• org.elasticsearch.action.support @not-napoleon Fix/line length cleanup action support backport #34924 and Cleanup suppressed overlength line for action.support package #34889
• org.elasticsearch.action.* (other than the above) @dakrone Fix line length for org.elasticsearch.action.* files #35607
• org.elasticsearch.cluster @rjernst Remove line length violations for o.e.cluster (mostly) #34923, Remove remaining line length violations in o.e.cluster #34941
• org.elasticsearch.common @dakrone Fix line length for org.elasticsearch.common.* files #34888
• org.elasticsearch.bootstrap/client/discovery/gateway @imotov Fix line length for bootstrap/client/discovery/gateway files #34905
• org.elasticsearch.index.fielddata @original-brownbear Fix LineLength Check Suppressions: index.fielddata #34891, Fix LineLength Check Suppressions: index.fielddata (#34891) #34919
• org.elasticsearch.index.mapper @vladimirdolzhenko Fix LineLength Check Suppressions: index.mapper #35087 , Fix LineLength Check Suppressions: index.mapper #35101
• org.elasticsearch.index.* (the rest other than fielddata and mapper) @jimczi Remove remaining line length violations for o.e.index #35652
• org.elasticsearch.indices @martijnvg Remove line length violations in o.e.indices package #35647
• org.elasticsearch.search @jpountz Fix line length offenders in the o.e.search package. #36223
• leftovers @gwbrown Fix line lengths in misc other files #35650
• org.elasticsearch.node @dliappis Fix line length for node and remove suppression. #37454
• org.elasticsearch.repositories @rjernst (Remove more checkstyle suppressions #36735)
• org.elasticsearch.snapshots @pgomulka Fix line length in org.elasticsearch.snapshots #36646
• org.elasticsearch.threadpool @jdconrad ([Style] Fix line length violations for threadpool, indexing, and script packages #37205)
• org.elasticsearch.VersionTests @danielmitterdorfer Fix line length for VersionTests #36585
• org.elasticsearch.aliases @dliappis Fix line length for aliases and remove suppression #37455
• org.elasticsearch.deps @atorok (Remove line length suppression from plugins and deps #36708)
• org.elasticsearch.env @ebadyano (Fixing line length for EnvironmentTests and RecoveryTests #36657)
• org.elasticsearch.explain @rjernst (Remove more checkstyle suppressions #36735)
• org.elasticsearch.get @pgomulka (Fix line length in org.elasticsearch.get #37071)
• org.elasticsearch.indexing @jdconrad ([Style] Fix line length violations for threadpool, indexing, and script packages #37205)
• org.elasticsearch.indexlifecycle @danielmitterdorfer Fix line length for IndexLifecycleActionIT #36586
• org.elasticsearch.monitor @dliappis Fix line length for monitor and remove suppressions #37456
• org.elasticsearch.plugins @atorok (Remove line length suppression from plugins and deps #36708)
• org.elasticsearch.recovery @ebadyano (Fixing line length for EnvironmentTests and RecoveryTests #36657)
• org.elasticsearch.rest @rjernst (Remove more checkstyle suppressions #36735)
• org.elasticsearch.routing @pgomulka (Fix line length in org.elasticsearch.routing #37253)
• org.elasticsearch.script @jdconrad ([Style] Fix line length violations for threadpool, indexing, and script packages #37205)