remove saymamaster

saymamaster.json

@@ -1,23 +0,0 @@
-{
-    "target": "kasli",
-    "variant": "saymamaster",
-    "hw_rev": "v1.1",
-    "base": "master",
-    "rtio_frequency": 150e6,
-    "core_addr": "10.34.16.105",
-    "peripherals": [
-       {
-            "type": "urukul",
-            "ports": [0, 1],
-            "clk_sel": 2,
-            "pll_n": 16,
-            "pll_vco": 2
-       },
-       {
-           "type": "dio",
-           "ports": [2],
-           "bank_direction_low": "input",
-           "bank_direction_high": "output"
-       }
-    ]
-}