no :: in func decls

examples/packages/c_symbols/app/main.bro

@@ -1,7 +1,7 @@
 import "../left"
 import "../right"
 
-main :: func() void {
+main func() void {
 	_ = left.same()
 	_ = right.same()
 }

examples/packages/c_symbols/left/left.bro

@@ -1,3 +1,3 @@
-same :: c_func() int {
+same c_func() int {
 	return 1
 }

examples/packages/c_symbols/right/right.bro

@@ -1,3 +1,3 @@
-same :: c_func() int {
+same c_func() int {
 	return 2
 }