Cleanup grammar file

- Formatting
- Remove generic `operator` and `operand`
  - used for testing

src/grammars/mblf.pest

@@ -1,6 +1,3 @@
-operator       = @{ "operator" } // TODO
-operand        = @{ "operand" }  // TODO
-
 wordSeperator  =_{ " " | "-" | "_" }
 variable       =@{ ASCII_ALPHA
                  ~ (ASCII_ALPHANUMERIC | wordSeperator)*
@@ -58,8 +55,6 @@ instruction    =_{ macaroo
 
                  | getchr
                  | print
-
-                 | operator ~ (spacing+ ~ operand)?
                  }
 
 loopBlockStart = { "[" ~ NEWLINE }

src/main.rs

@@ -141,13 +141,6 @@ fn instruct(statement: Pair<Rule>, out: &mut Builder) {
         Rule::instruction => {
             out.append("\n");
         }
-        Rule::operator => {
-            out.append("operator ");
-        }
-        Rule::operand => {
-            out.append("operand ");
-        }
-
         Rule::loopBlock => {
             for nested_statement in statement.into_inner() {
                 instruct(nested_statement, out);