More reorganization for the class folder

src/function-forms/syntax/cls-expr-gen-meth-static.template

src/function-forms/syntax/cls-expr-gen-meth.template

src/function-forms/syntax/cls-expr-meth-static.template

src/function-forms/syntax/cls-expr-meth.template

src/generators/default/class-decl-method.template

src/generators/default/class-decl-private-method.template

src/generators/default/class-decl-static-method.template

...erators/default/class-decl-static-private-method.template

src/generators/default/class-expr-method.template

src/generators/default/class-expr-private-method.template

src/generators/default/class-expr-static-method.template

...erators/default/class-expr-static-private-method.template

src/generators/syntax/class-decl-method.template

src/generators/syntax/class-decl-private-method.template

src/generators/syntax/class-decl-static-method.template

...nerators/syntax/class-decl-static-private-method.template

src/generators/syntax/class-expr-method.template

src/generators/syntax/class-expr-private-method.template

src/generators/syntax/class-expr-static-method.template

...nerators/syntax/class-expr-static-private-method.template