remove tests invalidated by & as call expression

test/show.jl

@@ -34,9 +34,6 @@ end
 
 @test replstr(Meta.parse("mutable struct X end")) == ":(mutable struct X\n      #= none:1 =#\n  end)"
 @test replstr(Meta.parse("struct X end")) == ":(struct X\n      #= none:1 =#\n  end)"
-let s = "ccall(:f, Int, (Ptr{Cvoid},), &x)"
-    @test replstr(Meta.parse(s)) == ":($s)"
-end
 
 # recursive array printing
 # issue #10353

test/syntax.jl

@@ -159,7 +159,6 @@ macro test999_str(args...); args; end
 
 @test parseall("a = &\nb") == Expr(:block, Expr(:(=), :a, :&), :b)
 @test parseall("a = \$\nb") == Expr(:block, Expr(:(=), :a, :$), :b)
-@test parseall(":(a = &\nb)") == Expr(:quote, Expr(:(=), :a, Expr(:&, :b)))
 @test parseall(":(a = \$\nb)") == Expr(:quote, Expr(:(=), :a, Expr(:$, :b)))
 
 # issue 11970
@@ -1084,9 +1083,6 @@ end
 @test_throws ParseError Meta.parse("x@time 2")
 @test_throws ParseError Meta.parse("@ time")
 
-# issue #7479
-@test Meta.lower(Main, Meta.parse("(true &&& false)")) == Expr(:error, "invalid syntax &false")
-
 # if an indexing expression becomes a cat expression, `end` is not special
 @test_throws ParseError Meta.parse("a[end end]")
 @test_throws ParseError Meta.parse("a[end;end]")
@@ -1657,9 +1653,6 @@ end
 end
 @test M22314.i == 0
 
-# #6080
-@test Meta.lower(@__MODULE__, :(ccall(:a, Cvoid, (Cint,), &x))) == Expr(:error, "invalid syntax &x")
-
 @test_throws ParseError Meta.parse("x.'")
 @test_throws ParseError Meta.parse("0.+1")