Revert "SNOW-974576 Extract type converters for JSON results (#1587)"… #3186

Job	Run time
Old JDBC TestCategoryResultSet,TestCategoryOthers on jdbc-centos7-openjdk8	13m 35s
Old JDBC TestCategoryConnection,TestCategoryStatement on jdbc-centos7-openjdk8	17m 33s
Old JDBC TestCategoryCore,TestCategoryLoader on jdbc-centos7-openjdk8	6m 30s
Build	2m 23s
AWS JDBC TestCategoryResultSet,TestCategoryOthers,TestCategoryLoader on jdbc-centos7-openjdk8	1h 10m 27s
AWS JDBC TestCategoryConnection,TestCategoryStatement on jdbc-centos7-openjdk8	43m 12s
AWS JDBC TestCategoryArrow,TestCategoryCore on jdbc-centos7-openjdk8	46m 59s
AWS JDBC TestCategoryFips on jdbc-centos7-openjdk8	1m 42s
AWS JDBC TestCategoryResultSet,TestCategoryOthers,TestCategoryLoader on jdbc-centos7-openjdk11	1h 4m 41s
AWS JDBC TestCategoryConnection,TestCategoryStatement on jdbc-centos7-openjdk11	42m 17s
AWS JDBC TestCategoryArrow,TestCategoryCore on jdbc-centos7-openjdk11	52m 50s
AWS JDBC TestCategoryFips on jdbc-centos7-openjdk11	1m 36s
AWS JDBC TestCategoryResultSet,TestCategoryOthers,TestCategoryLoader on jdbc-centos7-openjdk17	1h 17m 3s
AWS JDBC TestCategoryConnection,TestCategoryStatement on jdbc-centos7-openjdk17	39m 11s
AWS JDBC TestCategoryArrow,TestCategoryCore on jdbc-centos7-openjdk17	52m 34s
AWS JDBC TestCategoryFips on jdbc-centos7-openjdk17	1m 28s
	8h 54m 1s

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