Remove extension requirement #73

Job	Run time
Dependency Analysis (8.1, lowest)	58s
Dependency Analysis (8.1, highest)	54s
Dependency Analysis (8.2, lowest)	47s
Dependency Analysis (8.2, highest)	51s
Code Coverage (8.3, highest)	1m 13s
Mutation tests (8.3, highest)	1m 6s
Dependency Analysis (8.3, lowest)	47s
Coding Standards (8.1, highest)	45s
Dependency Analysis (8.3, highest)	43s
Static Code Analysis (8.1, lowest)	57s
Unit tests (8.1, lowest)	45s
Static Code Analysis (8.1, highest)	45s
Unit tests (8.1, highest)	44s
Static Code Analysis (8.2, lowest)	47s
Static Code Analysis (8.2, highest)	49s
Static Code Analysis (8.3, lowest)	50s
Unit tests (8.2, lowest)	44s
Static Code Analysis (8.3, highest)	39s
Unit tests (8.2, highest)	39s
Unit tests (8.3, lowest)	47s
Unit tests (8.3, highest)	39s
	17m 9s

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