cleanup tests; don't use non-working 'msg' spec field

tests/metatype/tbindtypedesc.nim

@@ -1,10 +1,5 @@
 discard """
-  msg: '''int int
-float float
-int int
-TFoo TFoo
-int float
-TFoo TFoo'''
+  output: '''ok'''
 """
 
 import typetraits
@@ -86,3 +81,4 @@ reject bindArg(int, int, 10, 20, 30, "test")
 reject bindArg(int, string, 10.0, 20, "test", "nest")
 reject bindArg(int, string, "test", "nest", 10, 20)
 
+echo "ok"

tests/metatype/tsemistatic.nim

@@ -1,5 +1,5 @@
 discard """
-  msg: "static 10\ndynamic\nstatic 20\n"
+  nimout: "static 10\ndynamic\nstatic 20\n"
   output: "s\nd\nd\ns"
 """
 

tests/metatype/tstaticparammacro.nim

@@ -1,5 +1,5 @@
 discard """
-  msg: '''letters
+  nimout: '''letters
 aa
 bb
 numbers
@@ -8,7 +8,7 @@ numbers
 AST a
 [(11, 22), (33, 44)]
 AST b
-(e: [55, 66], f: [77, 88])
+([55, 66], [77, 88])
 55
 10
 20Test
@@ -44,10 +44,10 @@ const
   b : Tb = (@[55,66], @[77, 88])
 
 macro mA(data: static[Ta]): untyped =
-  echo "AST a \n", repr(data)
+  echo "AST a\n", repr(data)
 
 macro mB(data: static[Tb]): untyped =
-  echo "AST b \n", repr(data)
+  echo "AST b\n", repr(data)
   echo data.e[0]
 
 mA(a)

tests/metatype/ttypetraits.nim

@@ -1,5 +1,5 @@
 discard """
-  msg:    "int\nstring\nTBar[int]"
+  nimout:    "int\nstring\nTBar[int]"
   output: "int\nstring\nTBar[int]\nint\nrange 0..2(int)\nstring"
   disabled: true
 """