'lock levels' are deprecated, now a noop (#20539)

* 'lock levels' are deprecated, now a noop

* fixes tests

tests/effects/teffects1.nim

@@ -34,7 +34,7 @@ proc foo(x: int): string {.nimcall, raises: [ValueError].} =
 
 var p: MyProcType = foo #[tt.Error
                     ^
-type mismatch: got <proc (x: int): string{.nimcall, noSideEffect, gcsafe, locks: 0.}> but expected 'MyProcType = proc (x: int): string{.closure.}'
+type mismatch: got <proc (x: int): string{.nimcall, noSideEffect, gcsafe.}> but expected 'MyProcType = proc (x: int): string{.closure.}'
   Calling convention mismatch: got '{.nimcall.}', but expected '{.closure.}'.
 .raise effects differ
 ]#

tests/effects/teffects11.nim

@@ -1,6 +1,6 @@
 discard """
 action: compile
-errormsg: "type mismatch: got <proc (x: int){.gcsafe, locks: 0.}>"
+errormsg: "type mismatch: got <proc (x: int){.gcsafe.}>"
 line: 21
 """
 

tests/effects/teffects19.nim

@@ -1,6 +1,6 @@
 discard """
 action: compile
-errormsg: "type mismatch: got <proc (i: int){.gcsafe, locks: 0.}>"
+errormsg: "type mismatch: got <proc (i: int){.gcsafe.}>"
 line: 23
 """
 

tests/effects/tgcsafe2.nim

@@ -1,5 +1,5 @@
 discard """
-  errormsg: '''type mismatch: got <proc (s: string){.locks: 0.}>'''
+  errormsg: '''type mismatch: got <proc (s: string)>'''
   line: 11
 """
 #5620