Remove unneeded lexer APIs

Ast/include/Luau/Lexer.h

@@ -174,10 +174,7 @@ public:
 
     void setSkipComments(bool skip);
     void setReadNames(bool read);
-    void setReadAsInterpolatedStringExpression(bool read);
 
-    void incrementInterpolatedStringDepth();
-    void decrementInterpolatedStringDepth();
     const Lexeme nextInterpolatedString();
 
     const Location& previousLocation() const
@@ -249,9 +246,6 @@ private:
 
     bool skipComments;
     bool readNames;
-    bool readAsInterpolatedStringExpression;
-
-    unsigned int interpolatedStringDepth;
 };
 
 inline bool isSpace(char ch)

Ast/src/Lexer.cpp

@@ -347,8 +347,6 @@ Lexer::Lexer(const char* buffer, size_t bufferSize, AstNameTable& names)
     , names(names)
     , skipComments(false)
     , readNames(true)
-    , readAsInterpolatedStringExpression(true)
-    , interpolatedStringDepth(0)
 {
 }
 
@@ -362,22 +360,6 @@ void Lexer::setReadNames(bool read)
     readNames = read;
 }
 
-// INTERP TODO: Probably not necessary
-void Lexer::setReadAsInterpolatedStringExpression(bool read)
-{
-    readAsInterpolatedStringExpression = read;
-}
-
-void Lexer::incrementInterpolatedStringDepth()
-{
-    interpolatedStringDepth++;
-}
-
-void Lexer::decrementInterpolatedStringDepth()
-{
-    interpolatedStringDepth--;
-}
-
 const Lexeme& Lexer::next()
 {
     return next(this->skipComments, true);
@@ -664,7 +646,6 @@ std::optional<Lexeme> Lexer::readInterpolatedStringSection(Position start, Lexem
                 return std::optional(Lexeme(Location(start, position()), Lexeme::BrokenInterpDoubleBrace));
             }
 
-            incrementInterpolatedStringDepth();
             auto lexemeOutput = Lexeme(Location(start, position()), Lexeme::InterpStringBegin, &buffer[startOffset], offset - startOffset);
             consume();
             return std::optional(lexemeOutput);

Ast/src/Parser.cpp

@@ -2684,8 +2684,6 @@ AstExpr* Parser::parseInterpString()
 
         expressions.push_back(expression);
 
-        lexer.decrementInterpolatedStringDepth();
-
         auto next = lexer.nextInterpolatedString();
 
         switch (next.type)