ulp: remove ESP32 ULP TSENS references

Due to poor accuracy the ESP32 ULP TSENS instructions is not recommend for use.
We keep the instruction itself to support users which are already using it,
but should remove it from examples and docs to avoid encouring any new usage of it.

docs/en/api-reference/system/ulp_instruction_set.rst

@@ -796,10 +796,10 @@ The detailed description of all instructions is presented below:
   Conditions *LE* and *GE* are implemented in the assembler using two **JUMPR** instructions::
 
     // JUMPR target, threshold, LE is implemented as:
-    
+
              JUMPR target, threshold, EQ
              JUMPR target, threshold, LT
- 
+
     // JUMPR target, threshold, GE is implemented as:
 
              JUMPR target, threshold, EQ
@@ -1041,27 +1041,28 @@ The detailed description of all instructions is presented below:
   2:        .set  wait_cnt, 10  // Set a constant
             WAIT  wait_cnt      // wait for 10 cycles
 
+.. only:: not esp32
 
-**TSENS** – do measurement with temperature sensor
---------------------------------------------------
+    **TSENS** – do measurement with temperature sensor
+    --------------------------------------------------
 
-**Syntax**
-   - **TSENS**   *Rdst, Wait_Delay*
+    **Syntax**
+      - **TSENS**   *Rdst, Wait_Delay*
 
-**Operands**
-  - *Rdst* – Destination Register R[0..3], result will be stored to this register
-  - *Wait_Delay* – number of cycles used to perform the measurement
+    **Operands**
+      - *Rdst* – Destination Register R[0..3], result will be stored to this register
+      - *Wait_Delay* – number of cycles used to perform the measurement
 
-**Cycles**
-  2 + *Wait_Delay* + 3 * TSENS_CLK to execute, 4 cycles to fetch next instruction
+    **Cycles**
+      2 + *Wait_Delay* + 3 * TSENS_CLK to execute, 4 cycles to fetch next instruction
 
-**Description**
-   The instruction performs measurement using TSENS and stores the result into a general purpose register.
+    **Description**
+      The instruction performs measurement using TSENS and stores the result into a general purpose register.
 
-**Examples**::
+    **Examples**::
 
-  1:        TSENS     R1, 1000     // Measure temperature sensor for 1000 cycles,
-                                   // and store result to R1
+      1:        TSENS     R1, 1000     // Measure temperature sensor for 1000 cycles,
+                                      // and store result to R1
 
 
 **ADC** – do measurement with ADC