Don't support pipes for double types in NBTT

We already aren't following Mojangson, so no need to intentionally bring in its bugs too

Author: DenWav

src/main/grammars/NbttLexer.flex

@@ -55,7 +55,7 @@ SHORT_LITERAL = [+-]?\d+[sS]
 INT_LITERAL = [+-]?\d+[iI]?
 LONG_LITERAL = [+-]?\d+[lL]
 FLOAT_LITERAL = [+-]?(\d+(\.\d*(E\d+)?)?[fF]|\d*\.\d+(E\d+)?[fF]|Infinity[fF])|NaN[fF]
-DOUBLE_LITERAL = [+-]?(\d*\.\d+(E\d+)?[dD|]?|\d+\.\d*(E\d+)?[dD|]?|\d+(E\d+)?[dD|]|Infinity[dD|]?)|NaN[dD|]?
+DOUBLE_LITERAL = [+-]?(\d*\.\d+(E\d+)?[dD]?|\d+\.\d*(E\d+)?[dD]?|\d+(E\d+)?[dD]|Infinity[dD]?)|NaN[dD]?
 
 STRING_LITERAL = \"([^\"\\\n]|(\\[\"\\nt]))*[\"\n]
 UNQUOTED_STRING_LITERAL = ([^\"\s\n:{}\[\](),\d+\-]|\\[\"\\nt])|([^\"\s\n:{}\[\](),\d+\-]|\\[\"\\nt])([^\"\\:{}\[\](),\n]|\\[\"\\nt])*[^\"\s\n:{}\[\](),]

src/main/kotlin/com/demonwav/mcdev/nbt/lang/psi/mixins/impl/NbttDoubleImplMixin.kt

@@ -22,6 +22,6 @@ abstract class NbttDoubleImplMixin(node: ASTNode) : ASTWrapperPsiElement(node),
     }
 
     companion object {
-        private val dRegex = "[dD|]".toRegex()
+        private val dRegex = "[dD]".toRegex()
     }
 }