Fixed the C backend putting too many braces in array literals, and removed some old comments

backends/GenerateC.hs

@@ -591,7 +591,7 @@ cgenLiteralRepr (A.RecordLiteral _ es) _
           seqComma $ map (call genUnfoldedExpression) es
           genRightB
 cgenLiteralRepr (A.ArrayListLiteral m aes) (A.Array {})
-    = call genArrayLiteralElems aes
+    = genLeftB >> call genArrayLiteralElems aes >> genRightB
 cgenLiteralRepr (A.ArrayListLiteral _ es) t@(A.List {})
     = call genListLiteral es t
           
@@ -648,7 +648,7 @@ genDecimal s = tell [s]
 cgenArrayLiteralElems :: A.Structured A.Expression -> CGen ()
 cgenArrayLiteralElems (A.Only _ e) = call genUnfoldedExpression e
 cgenArrayLiteralElems (A.Several _ aes)
-    = genLeftB >> (seqComma $ map cgenArrayLiteralElems aes) >> genRightB
+    = seqComma $ map cgenArrayLiteralElems aes
 
 genByteLiteral :: Meta -> String -> CGen ()
 genByteLiteral m s

frontends/OccamPasses.hs

@@ -41,16 +41,12 @@ occamPasses =
     [ occamOnlyPass "Dummy occam pass" [] (Prop.agg_namesDone ++ [Prop.mainTagged]) return
     , inferTypes
     , foldConstants
---    , fixNestedArrayLiterals
     , fixConstructorTypes
     , checkConstants
     , resolveAmbiguities
     , checkTypes
     ]
 
---fixNestedArrayLiterals :: Pass
---fixNestedArrayLiterals = occamOnlyPass "Collapse nested array literals"
-
 -- | Fixed the types of array constructors according to the replicator count
 fixConstructorTypes :: Pass
 fixConstructorTypes = occamOnlyPass "Fix the types of array constructors"