openapi: add delete namespace endpoint

[mobuchowski]

Add missing openapi doc for a delete namespace endpoint.

Signed-off-by: Maciej Obuchowski obuchowski.maciej@gmail.com

[codecov]

Codecov Report

Merging #2295 (b1b0a74) into main (11f6cec) will increase coverage by 9.98%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##               main    #2295      +/-   ##
============================================
+ Coverage     66.98%   76.97%   +9.98%     
- Complexity      227     1163     +936     
============================================
  Files            40      222     +182     
  Lines           945     5298    +4353     
  Branches        103      423     +320     
============================================
+ Hits            633     4078    +3445     
- Misses          162      747     +585     
- Partials        150      473     +323     

Impacted Files	Coverage Δ
...arquez/tracing/TracingContainerResponseFilter.java	0.00% <0.00%> (ø)
.../main/java/marquez/service/models/DbTableMeta.java	100.00% <0.00%> (ø)
.../src/main/java/marquez/db/models/NamespaceRow.java	0.00% <0.00%> (ø)
...rc/main/java/marquez/db/mappers/DatasetMapper.java	82.75% <0.00%> (ø)
api/src/main/java/marquez/db/SourceDao.java	88.88% <0.00%> (ø)
...a/marquez/db/models/ExtendedDatasetVersionRow.java	40.00% <0.00%> (ø)
api/src/main/java/marquez/db/RunStateDao.java	100.00% <0.00%> (ø)
...pi/src/main/java/marquez/tracing/SentryConfig.java	100.00% <0.00%> (ø)
...in/java/marquez/db/mappers/LineageEventMapper.java	44.44% <0.00%> (ø)
.../java/marquez/service/NodeIdNotFoundException.java	16.66% <0.00%> (ø)
... and 172 more

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