Revert "Added config options for tax-related minutiae"

This reverts commit 57d42a2a6f96a4bfecb7dc96a6b81794d266e398.

Conflicts:
	src/main/java/net/jmhertlein/mctowns/MCTowns.java
	src/main/java/net/jmhertlein/mctowns/util/ClockSource.java
	src/main/resources/config.yml