Ruby

Merge pull request #3016 from Shopify/codex/remove-rdoc-parser #8313

Job	Run time
clang_compile (4.0)	52s
C99_compile (head)	1m 2s
clang_compile (head)	59s
C99_compile (4.0)	51s
test (3.2, test)	2m 23s
test (4.0, stdlib_test, --enable-frozen-string-literal)	1m 54s
test (asan-release, test)	8m 7s
test (4.0, stdlib_test)	1m 56s
test (4.0, rubocop validate test_doc build test_generate_stdlib raap)	2m 38s
test (head, test)	2m 25s
test (3.3, test)	2m 32s
test (4.0, test)	2m 28s
test (3.4, test)	2m 31s
test (4.0, typecheck_test)	1m 27s
test (head, stdlib_test rubocop)	2m 20s
test (4.0, test, --enable-frozen-string-literal)	2m 25s
	36m 50s

Provide feedback