site.conf: remove signing-key of thardes2

as discussed on 01.03.2016
good_signatures for stable should be > 0,5 times of number of pubkeys

site.conf

@@ -194,7 +194,6 @@
 				-- list of public keys which are considered "good" for manifest signatures
 				pubkeys = {
 					'16b0e942929d6592d4a01b66b334427ba4db03b388a876432958d9010bd8d8b5', -- HeJ
-					'b0197042824a752c2dba717a4b2ded88852111bbe12e6b5f57fdfa3abb9312c0', -- thardes2
 					'ba2e6ff4de41ade9959702195d4c26c764e7aab85c627363681c29dbc4a8a2c5', -- oscar-
 					'fb9d6beba63dcb6175d0248c1e743b5fe4359474eb264d27f389d7a962e24477', -- northalpha
 					'f70f9ddeb307fff8fca31a76f4fbd0ac676dab8ad143625f0a4160d434d72876', -- Barbarossa
@@ -207,7 +206,6 @@
 				good_signatures = 2,
 				pubkeys = {
 					'16b0e942929d6592d4a01b66b334427ba4db03b388a876432958d9010bd8d8b5', -- HeJ
-					'b0197042824a752c2dba717a4b2ded88852111bbe12e6b5f57fdfa3abb9312c0', -- thardes2
 					'ba2e6ff4de41ade9959702195d4c26c764e7aab85c627363681c29dbc4a8a2c5', -- oscar-
 					'fb9d6beba63dcb6175d0248c1e743b5fe4359474eb264d27f389d7a962e24477', -- northalpha
 					'f70f9ddeb307fff8fca31a76f4fbd0ac676dab8ad143625f0a4160d434d72876', -- Barbarossa
@@ -220,7 +218,6 @@
 				good_signatures = 1,
 				pubkeys = {
 					'16b0e942929d6592d4a01b66b334427ba4db03b388a876432958d9010bd8d8b5', -- HeJ
-					'b0197042824a752c2dba717a4b2ded88852111bbe12e6b5f57fdfa3abb9312c0', -- thardes2
 					'ba2e6ff4de41ade9959702195d4c26c764e7aab85c627363681c29dbc4a8a2c5', -- oscar-
 					'fb9d6beba63dcb6175d0248c1e743b5fe4359474eb264d27f389d7a962e24477', -- northalpha
 					'f70f9ddeb307fff8fca31a76f4fbd0ac676dab8ad143625f0a4160d434d72876', -- Barbarossa