refactor: simplify standard library organization

source/lexer/lexer.hon

@@ -18,7 +18,7 @@ ErrorCode :: enum {
 SourceError :: enum { source_too_large }
 
 
-keywords strmap.StringMap(TokenKind) :: strmap.init([
+keywords strmap.StaticStringMap(TokenKind) :: strmap.init([
     { "proc", .proc },
     { "return", .return },
     { "if", .if },

source/main.hon

@@ -9,7 +9,7 @@ import "@source/parser"
 
 ast_renderer :: import "@source/ast/renderer"
 
-test import "@std/enums/enummap"
+test import "@std/enummap"
 test import "@std/arraylist"
 test import "@std/hashmap"
 test import "@std/strmap"