remove unused imports from tests

tests/macros/tgettype.nim

@@ -4,7 +4,7 @@ output: '''
 (BracketExpr (Sym "typeDesc") (Sym "User"))
 '''
 """
-import strutils, macros
+import macros
 
 type
   Model = object of RootObj

tests/macros/tgettypeinst.nim

@@ -1,7 +1,7 @@
 discard """
 """
 
-import macros, strUtils
+import macros
 
 proc symToIdent(x: NimNode): NimNode =
   case x.kind:

tests/macros/tmacro1.nim

@@ -1,7 +1,5 @@
 import  macros
 
-from uri import `/`
-
 macro test*(a: untyped): untyped =
   var nodes: tuple[a, b: int]
   nodes.a = 4
@@ -22,7 +20,6 @@ macro test*(a: untyped): untyped =
 test:
   "hi"
 
-import strutils
 
 template assertNot(arg: untyped): untyped =
   assert(not(arg))

tests/macros/tmacro4.nim

@@ -2,8 +2,7 @@ discard """
   output: "after"
 """
 
-import
-  macros, strutils
+import macros
 
 macro test_macro*(s: string, n: untyped): untyped =
   result = newNimNode(nnkStmtList)

tests/macros/tmacros1.nim

@@ -5,8 +5,7 @@ discard """
 {a, b}'''
 """
 
-import
-  macros, strutils
+import macros
 
 macro outterMacro*(n, blck: untyped): untyped =
   let n = callsite()