Call remove_domain hook

[arcusfelis]

This PR addresses "[JIRA] (MIM-1453) Start calling remove_domain hook"

Proposed changes include:

• Add a call
• Add a test
• Also yeah, lserver_to_host_type is crashes now if host_type is not found.

[mongoose-im]

small_tests_24 / small_tests / d409f88
Reports root / small

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internal_mnesia_24 / internal_mnesia / d409f88
Reports root/ big
OK: 1588 / Failed: 0 / User-skipped: 290 / Auto-skipped: 0

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dynamic_domains_24 / pgsql_mnesia / d409f88
Reports root/ big
OK: 1690 / Failed: 0 / User-skipped: 114 / Auto-skipped: 0

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small_tests_22 / small_tests / d409f88
Reports root / small

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dynamic_domains_23 / pgsql_mnesia / d409f88
Reports root/ big
OK: 1690 / Failed: 0 / User-skipped: 114 / Auto-skipped: 0

---

small_tests_23 / small_tests / d409f88
Reports root / small

---

ldap_mnesia_24 / ldap_mnesia / d409f88
Reports root/ big
OK: 1515 / Failed: 0 / User-skipped: 363 / Auto-skipped: 0

---

ldap_mnesia_22 / ldap_mnesia / d409f88
Reports root/ big
OK: 1515 / Failed: 0 / User-skipped: 363 / Auto-skipped: 0

---

pgsql_mnesia_24 / pgsql_mnesia / d409f88
Reports root/ big
OK: 3090 / Failed: 0 / User-skipped: 184 / Auto-skipped: 0

---

ldap_mnesia_23 / ldap_mnesia / d409f88
Reports root/ big
OK: 1515 / Failed: 0 / User-skipped: 363 / Auto-skipped: 0

---

pgsql_mnesia_22 / pgsql_mnesia / d409f88
Reports root/ big
OK: 3090 / Failed: 0 / User-skipped: 184 / Auto-skipped: 0

---

elasticsearch_and_cassandra_24 / elasticsearch_and_cassandra_mnesia / d409f88
Reports root/ big
OK: 1891 / Failed: 0 / User-skipped: 286 / Auto-skipped: 0

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mysql_redis_24 / mysql_redis / d409f88
Reports root/ big
OK: 3073 / Failed: 0 / User-skipped: 201 / Auto-skipped: 0

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pgsql_mnesia_23 / pgsql_mnesia / d409f88
Reports root/ big
OK: 3090 / Failed: 0 / User-skipped: 184 / Auto-skipped: 0

---

mssql_mnesia_24 / odbc_mssql_mnesia / d409f88
Reports root/ big
OK: 3090 / Failed: 0 / User-skipped: 184 / Auto-skipped: 0

---

riak_mnesia_24 / riak_mnesia / d409f88
Reports root/ big
OK: 1738 / Failed: 0 / User-skipped: 289 / Auto-skipped: 0

[codecov]

Codecov Report

Merging #3237 (d409f88) into master (3e61c13) will decrease coverage by 0.00%.
The diff coverage is 90.90%.

@@            Coverage Diff             @@
##           master    #3237      +/-   ##
==========================================
- Coverage   80.35%   80.34%   -0.01%     
==========================================
  Files         398      398              
  Lines       32526    32534       +8     
==========================================
+ Hits        26135    26140       +5     
- Misses       6391     6394       +3     

Impacted Files	Coverage Δ
src/mam/mod_mam.erl	89.16% <83.33%> (+0.18%)	⬆️
src/domain/mongoose_domain_api.erl	100.00% <100.00%> (ø)
src/mod_roster_rdbms.erl	88.61% <0.00%> (-7.32%)	⬇️
src/mod_last_rdbms.erl	91.66% <0.00%> (-4.17%)	⬇️
...bal_distrib/mod_global_distrib_hosts_refresher.erl	71.69% <0.00%> (-1.89%)	⬇️
src/domain/mongoose_domain_loader.erl	75.47% <0.00%> (-1.89%)	⬇️
src/mod_last.erl	86.36% <0.00%> (-1.52%)	⬇️
src/mod_bosh_socket.erl	77.95% <0.00%> (-0.94%)	⬇️
src/rdbms/mongoose_rdbms.erl	60.88% <0.00%> (-0.81%)	⬇️
src/offline/mod_offline.erl	77.90% <0.00%> (-0.56%)	⬇️
... and 10 more

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[chrzaszcz]

Looks good, thanks for taking care of this!