Update voting rule based on feedback

Author: david-christiansen

proposals/PROPOSALS.md

@@ -47,7 +47,7 @@ The current members of the TWG are:
 
 The committee will make all decisions using a simple majority without secret ballots.
 Discussions and vote tallies regarding potential committee members are to be kept strictly confidential, while other discussions and votes should be transparent to the public.
-Decisions should be made with the participation of 2/3 of the current members of the committee, rounded up.
+Decisions are made by a simple majority of the members of the committee.
 The committee may decide to hold regular meetings, or to collaborate asynchronously, or some mix of the two.
 For instance, a valid decision can be made by having a non-quorum meeting discuss a matter, summarize the results for the other members, and then vote by email based on the summary.
 Disputes will be resolved by the ED.