Clean up stack trace before rethrowing JDBC exceptions handled by AbstractFallbackSQLExceptionTranslator

Removed error-irrelevant translation stack frames from exception stack t...race after exceptions were created by an AbstractFallbackSQLExceptionTranslator:

When debugging Spring-JDBC entires, I find it distracting that the top entries always refer to an AbstractFallbackSQLExceptionTranslator. Therefore, I suggest that these stack entries are removed before the exception is rethrown by the JdbcTemplate.