Tighten consistency warnings to match Pine

Author: Poryaei

src/pinescript_validator/ast_validator.py

@@ -13,19 +13,12 @@
         "ta.cross",
         "ta.crossover",
         "ta.crossunder",
-        "ta.ema",
         "ta.highest",
         "ta.lowest",
         "ta.highestbars",
         "ta.lowestbars",
-        "ta.sma",
         "ta.stdev",
         "ta.variance",
-        "ta.rma",
-        "ta.wma",
-        "ta.vwma",
-        "ta.swma",
-        "ta.linreg",
     }
 )