Revert "SNOW-974576 Extract type converters for JSON results (#1587)" #3174

Job	Run time
Build	2m 20s
Old JDBC TestCategoryResultSet,TestCategoryOthers on jdbc-centos7-openjdk8	15m 49s
Old JDBC TestCategoryConnection,TestCategoryStatement on jdbc-centos7-openjdk8	17m 50s
Old JDBC TestCategoryCore,TestCategoryLoader on jdbc-centos7-openjdk8	6m 15s
AWS JDBC TestCategoryResultSet,TestCategoryOthers,TestCategoryLoader on jdbc-centos7-openjdk8	1h 7m 34s
AWS JDBC TestCategoryConnection,TestCategoryStatement on jdbc-centos7-openjdk8	22m 18s
AWS JDBC TestCategoryArrow,TestCategoryCore on jdbc-centos7-openjdk8	33m 7s
AWS JDBC TestCategoryFips on jdbc-centos7-openjdk8	1m 34s
AWS JDBC TestCategoryResultSet,TestCategoryOthers,TestCategoryLoader on jdbc-centos7-openjdk11	55m 16s
AWS JDBC TestCategoryConnection,TestCategoryStatement on jdbc-centos7-openjdk11	20m 47s
AWS JDBC TestCategoryArrow,TestCategoryCore on jdbc-centos7-openjdk11	30m 11s
AWS JDBC TestCategoryFips on jdbc-centos7-openjdk11	1m 23s
AWS JDBC TestCategoryResultSet,TestCategoryOthers,TestCategoryLoader on jdbc-centos7-openjdk17	54m 4s
AWS JDBC TestCategoryConnection,TestCategoryStatement on jdbc-centos7-openjdk17	23m 45s
AWS JDBC TestCategoryArrow,TestCategoryCore on jdbc-centos7-openjdk17	25m 5s
AWS JDBC TestCategoryFips on jdbc-centos7-openjdk17	1m 32s
	6h 18m 50s

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