Fixed float literal in demorgan.c1

tests/resources/demorgan.c1

@@ -25,7 +25,7 @@ float dummyFloat(float a) {
     float b = 1.0;
     float c = .5;
     float d = 1e10;
-    return a * 1.2f;
+    return a * 1.2;
 }
 
 void main() {

tests/resources/demorgan_tokens.txt

@@ -127,7 +127,6 @@ KwReturn: "return"
 Id: "a"
 Asterisk: "*"
 ConstFloat: "1.2"
-Id: "f"
 Semicolon: ";"
 RBrace: "}"
 KwVoid: "void"